/* Guild Letters — public archive */

:root {
    --letters-blue: #004aad;
    --letters-blue-deep: #001531;
    --letters-blue-mid: #002f6c;
    --letters-gold: #ffcb05;
    --letters-ink: #0e1524;
    --letters-ink-soft: #5a6578;
    --letters-paper: #f3f6fb;
    --letters-line: rgba(0, 33, 84, 0.12);
    --letters-max: 1180px;
    --letters-sans: "Manrope", system-ui, -apple-system, sans-serif;
    --letters-display: "DM Serif Display", Georgia, "Times New Roman", serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html.letters-html {
    scroll-behavior: smooth;
    background: var(--letters-paper);
}

body.letters-page {
    margin: 0;
    min-height: 100vh;
    font-family: var(--letters-sans);
    color: var(--letters-ink);
    background-color: #f3f6fb;
    background-image:
        radial-gradient(rgba(37, 99, 235, 0.08) 1.1px, transparent 1.2px),
        radial-gradient(circle 460px at 6% 1%, rgba(0, 104, 216, 0.38), transparent 70%),
        radial-gradient(circle 420px at 94% 4%, rgba(124, 58, 237, 0.34), transparent 70%),
        radial-gradient(circle 380px at 82% 24%, rgba(245, 158, 11, 0.30), transparent 70%),
        radial-gradient(circle 400px at 3% 33%, rgba(13, 148, 136, 0.30), transparent 70%),
        radial-gradient(circle 460px at 22% 60%, rgba(5, 150, 105, 0.28), transparent 70%),
        radial-gradient(circle 430px at 97% 64%, rgba(99, 102, 241, 0.30), transparent 70%),
        radial-gradient(circle 380px at 52% 93%, rgba(37, 99, 235, 0.26), transparent 70%);
    background-size: 22px 22px, auto, auto, auto, auto, auto, auto, auto;
    background-repeat: repeat, no-repeat, no-repeat, no-repeat, no-repeat, no-repeat, no-repeat, no-repeat;
    background-position: 0 -80px, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0;
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

body.letters-page a {
    color: inherit;
    text-decoration: none;
}

.letters-wrap {
    width: min(100% - 2.5rem, var(--letters-max));
    margin: 0 auto;
}

/* ---------- desktop flash messages (public Letters lacks styles.css) ---------- */
html.letters-html .flash-message-container {
    width: 100%;
    margin: 0 0 1.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

html.letters-html .flash-message {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1px solid transparent;
    border-left: 4px solid transparent;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.45;
    text-align: left;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
    animation: flashSlideIn 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

html.letters-html .flash-message::before {
    flex-shrink: 0;
    width: 1.9rem;
    height: 1.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
    color: #ffffff;
}

html.letters-html .flash-message.success,
html.letters-html .flash-message[class*="success"] {
    background: linear-gradient(135deg, #f0fbf3 0%, #e3f7ea 100%);
    color: #14532d;
    border-color: rgba(34, 197, 94, 0.28);
    border-left-color: #22c55e;
}

html.letters-html .flash-message.success::before,
html.letters-html .flash-message[class*="success"]::before {
    content: "\2713";
    background: #22c55e;
}

html.letters-html .flash-message.danger,
html.letters-html .flash-message.error,
html.letters-html .flash-message[class*="danger"],
html.letters-html .flash-message[class*="error"] {
    background: linear-gradient(135deg, #fef2f2 0%, #fde4e4 100%);
    color: #7f1d1d;
    border-color: rgba(239, 68, 68, 0.28);
    border-left-color: #ef4444;
}

html.letters-html .flash-message.danger::before,
html.letters-html .flash-message.error::before,
html.letters-html .flash-message[class*="danger"]::before,
html.letters-html .flash-message[class*="error"]::before {
    content: "\2715";
    background: #ef4444;
}

html.letters-html .flash-message.warning,
html.letters-html .flash-message[class*="warning"] {
    background: linear-gradient(135deg, #fffaf0 0%, #fef3d7 100%);
    color: #854d0e;
    border-color: rgba(245, 158, 11, 0.30);
    border-left-color: #f59e0b;
}

html.letters-html .flash-message.warning::before,
html.letters-html .flash-message[class*="warning"]::before {
    content: "!";
    background: #f59e0b;
}

html.letters-html .flash-message.info,
html.letters-html .flash-message[class*="info"] {
    background: linear-gradient(135deg, #eff6ff 0%, #e0edff 100%);
    color: #0c4a6e;
    border-color: rgba(59, 130, 246, 0.28);
    border-left-color: #3b82f6;
}

html.letters-html .flash-message.info::before,
html.letters-html .flash-message[class*="info"]::before {
    content: "i";
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
    background: #3b82f6;
}

@keyframes flashSlideIn {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- public nav ----------
   The bar itself lives in public_top_nav.css, shared with every other
   marketing page. Only the space it reserves is a page concern. */
body.letters-page:not(.letters-page--app-nav) {
    --letters-public-nav-offset: var(--qg-topnav-offset);
    padding-top: var(--letters-public-nav-offset);
    scroll-padding-top: var(--letters-public-nav-offset);
}

/* ---------- index masthead (space + orbit) ---------- */
.letters-masthead {
    position: relative;
    padding: 4rem 0 11.5rem;
    overflow: hidden;
    background: transparent;
    border-radius: 0 !important;
    width: 100%;
    max-width: none;
}

/* Logged-out: extend space under the fixed public nav to the top of the page */
body.letters-page:not(.letters-page--app-nav) .letters-masthead {
    margin-top: calc(-1 * var(--letters-public-nav-offset));
    padding-top: calc(4rem + var(--letters-public-nav-offset));
}

.letters-space-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    border-radius: 0 !important;
    /* Keep the space fill solid — fade only via mask to avoid a double-gradient crease */
    background:
        radial-gradient(ellipse 80% 60% at 70% 20%, rgba(0, 74, 173, 0.45), transparent 55%),
        radial-gradient(ellipse 50% 40% at 15% 80%, rgba(0, 47, 108, 0.55), transparent 50%),
        linear-gradient(180deg, #000814 0%, #001531 60%, #001a3d 100%);
    -webkit-mask-image: linear-gradient(
        to bottom,
        #000 0%,
        #000 78%,
        rgba(0, 0, 0, 0.9) 86%,
        rgba(0, 0, 0, 0.55) 92%,
        rgba(0, 0, 0, 0.22) 97%,
        transparent 100%
    );
    mask-image: linear-gradient(
        to bottom,
        #000 0%,
        #000 78%,
        rgba(0, 0, 0, 0.9) 86%,
        rgba(0, 0, 0, 0.55) 92%,
        rgba(0, 0, 0, 0.22) 97%,
        transparent 100%
    );
}

.letters-space-bg #spaceCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 0 !important;
}

.letters-masthead-inner {
    position: relative;
    z-index: 2;
    max-width: 56rem;
    color: #fff;
    animation: letters-rise 0.85s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.letters-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.85rem;
    padding: 0.45rem 1.1rem;
    /* Solid fill — no backdrop-filter (flickers over the animated space canvas) */
    background: rgba(0, 21, 49, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.86rem;
    font-weight: 600;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
    isolation: isolate;
    transform: translateZ(0);
    pointer-events: none;
}

.letters-hero-eyebrow i {
    color: var(--letters-gold);
    text-shadow: 0 0 10px rgba(255, 203, 5, 0.45);
}

.letters-hero-copy {
    position: relative;
    z-index: 1;
}

.letters-brand-mark {
    margin: 0 0 0.3rem;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--letters-gold);
    text-shadow: 0 0 24px rgba(255, 203, 5, 0.35);
}

.letters-hero-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
}

.letters-hero-main {
    min-width: 0;
    flex: 1 1 auto;
}

.letters-masthead h1 {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0;
    font-family: var(--font-primary, var(--letters-sans));
    font-weight: 700;
    font-size: clamp(2rem, 3.6vw, 2.5rem);
    line-height: 1.15;
    letter-spacing: -0.01em;
    white-space: nowrap;
    text-shadow:
        0 2px 24px rgba(0, 0, 0, 0.45),
        0 0 40px rgba(0, 74, 173, 0.35);
}

.letters-masthead h1 i {
    flex: 0 0 auto;
    font-size: 0.78em;
    color: #fff;
}

.letters-hero-subtitle {
    margin: 0.65rem 0 0;
    max-width: 28rem;
    font-size: clamp(0.95rem, 1.6vw, 1.15rem);
    font-weight: 500;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.88);
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.letters-hero-rule {
    width: 4.5rem;
    height: 2px;
    margin: 0.75rem 0 0;
    background: linear-gradient(90deg, var(--letters-gold), rgba(255, 203, 5, 0.15));
    box-shadow: 0 0 16px rgba(255, 203, 5, 0.35);
}

.letters-hero-tagline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem 0.7rem;
    margin: 1rem 0 0;
}

.letters-tagline-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.letters-tagline-item i {
    color: var(--letters-gold);
    filter: drop-shadow(0 0 6px rgba(255, 203, 5, 0.35));
}

.letters-delivery {
    position: static;
    z-index: 3;
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
        "live live"
        "label label"
        "state action";
    align-items: end;
    align-self: flex-start;
    flex: 0 0 15.5rem;
    column-gap: 1rem;
    row-gap: 0.45rem;
    width: 15.5rem;
    margin: 0;
    padding: 1rem 1.1rem 1.05rem;
    background: rgba(0, 16, 40, 0.62);
    border: 1px solid rgba(255, 255, 255, 0.28);
    -webkit-backdrop-filter: blur(22px) saturate(140%);
    backdrop-filter: blur(22px) saturate(140%);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
    color: #fff;
    isolation: isolate;
    transform: translateZ(0);
}

.letters-delivery-live {
    grid-area: live;
    display: inline-flex;
    align-items: center;
    align-self: start;
    justify-self: start;
    gap: 0.4rem;
    margin-bottom: 0.15rem;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(126, 240, 165, 0.95);
}

.letters-delivery-live-dot {
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
    background: #34d97b;
    box-shadow: 0 0 0 0 rgba(52, 217, 123, 0.55);
    animation: letters-live-pulse 2.4s ease-out infinite;
}

@keyframes letters-live-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(52, 217, 123, 0.55);
    }
    70% {
        box-shadow: 0 0 0 0.32rem rgba(52, 217, 123, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(52, 217, 123, 0);
    }
}

.letters-delivery-label {
    grid-area: label;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.92);
}

.letters-delivery-state {
    grid-area: state;
    font-family: var(--letters-display);
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 0.01em;
    line-height: 1.1;
    color: rgba(255, 255, 255, 0.95);
}

.letters-delivery.is-on .letters-delivery-state {
    color: var(--letters-gold);
}

.letters-delivery-action {
    grid-area: action;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0.45rem 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.28);
    background: transparent;
    color: rgba(255, 255, 255, 0.92);
    font: inherit;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.letters-delivery-action:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.letters-delivery.is-off .letters-delivery-action {
    border-color: rgba(255, 203, 5, 0.45);
    color: var(--letters-gold);
}

.letters-delivery.is-off .letters-delivery-action:hover {
    background: rgba(255, 203, 5, 0.12);
    border-color: rgba(255, 203, 5, 0.7);
}

.letters-delivery--guest .letters-delivery-live {
    align-self: center;
    margin-bottom: 0;
}

.letters-delivery--guest {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.7rem;
    width: 16.5rem;
    flex: 0 0 16.5rem;
}

.letters-delivery-guest-copy {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.92rem;
    font-weight: 500;
    line-height: 1.35;
}

.letters-delivery-guest-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.9rem;
    margin-top: 0.15rem;
    width: 100%;
}

.letters-delivery-link {
    color: rgba(255, 255, 255, 0.92) !important;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-decoration: none;
    border-bottom: none;
    white-space: nowrap;
    transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

.letters-delivery-link:hover {
    color: #fff !important;
    opacity: 1;
    transform: translateY(-1px);
}

.letters-delivery--guest .letters-delivery-action--join {
    padding: 0.55rem 1.1rem;
    border: none;
    border-radius: 999px;
    background: #fff !important;
    color: #002855 !important;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
    transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
    animation: lettersNavJoinPulse 2s infinite;
}

.letters-delivery--guest .letters-delivery-action--join:hover {
    background: var(--letters-gold) !important;
    color: #002855 !important;
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 22px rgba(255, 203, 5, 0.35), 0 4px 14px rgba(0, 0, 0, 0.25);
    animation: none;
}

@keyframes letters-rise {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

/* ---------- featured + library ---------- */
.letters-section {
    padding: 0 0 5rem;
    margin-top: -7.5rem;
    position: relative;
    z-index: 3;
}

.letters-section > .letters-wrap > .flash-message-container {
    margin-bottom: 1rem;
}

.letters-featured {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 0;
    margin-bottom: 3rem;
    overflow: hidden;
    border: 0;
    background: rgba(255, 255, 255, 0.94);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    backdrop-filter: blur(14px) saturate(140%);
    box-shadow:
        0 28px 70px rgba(0, 10, 30, 0.28),
        0 8px 24px rgba(0, 74, 173, 0.12);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease;
    animation: letters-rise 0.75s 0.08s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.letters-featured:hover {
    transform: translateY(-5px);
    box-shadow:
        0 34px 80px rgba(0, 10, 30, 0.32),
        0 12px 28px rgba(0, 74, 173, 0.16);
}

.letters-featured-media {
    position: relative;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #001531, #004aad);
    overflow: hidden;
}

.letters-featured-media img {
    width: 100%;
    height: 100%;
    max-height: 420px;
    object-fit: contain;
    object-position: center;
    display: block;
    transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.letters-featured:hover .letters-featured-media img {
    transform: scale(1.03);
}

.letters-featured-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 2;
    padding: 0.35rem 0.75rem;
    background: var(--letters-gold);
    color: var(--letters-blue-deep);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.letters-featured-body {
    padding: clamp(1.6rem, 3vw, 2.6rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.85rem;
}

.letters-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 0.85rem;
    align-items: center;
    color: var(--letters-ink-soft);
    font-size: 0.84rem;
    font-weight: 600;
}

.letters-meta-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--letters-gold);
}

.letters-author {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.letters-author-photo {
    width: 1.45rem;
    height: 1.45rem;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 1.5px solid #f3f5f7;
    box-shadow: 0 0 0 2px rgba(243, 245, 247, 0.7);
    flex-shrink: 0;
}

.letters-featured h2 {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: clamp(1.45rem, 2.5vw, 2.05rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--letters-blue-deep);
    white-space: nowrap;
}

.letters-featured p,
.letters-card p {
    margin: 0;
    color: var(--letters-ink-soft);
    font-size: 1rem;
    line-height: 1.65;
}

.letters-read-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.35rem;
    width: fit-content;
    color: var(--letters-blue) !important;
    font-weight: 800;
    font-size: 0.92rem;
}

.letters-read-link i {
    transition: transform 0.2s ease;
}

.letters-featured:hover .letters-read-link i,
.letters-card:hover .letters-read-link i {
    transform: translateX(4px);
}

.letters-library-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin: 0 0 1.25rem;
}

.letters-library-head h2 {
    margin: 0;
    font-family: var(--letters-display);
    font-size: 1.65rem;
    font-weight: 400;
    color: var(--letters-blue-deep);
}

.letters-library-head p {
    margin: 0;
    color: var(--letters-ink-soft);
    font-size: 0.88rem;
    font-weight: 600;
}

.letters-year {
    margin: 0 0 2.25rem;
}

.letters-year:last-child {
    margin-bottom: 0;
}

.letters-year-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin: 0 0 1rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--letters-line);
}

.letters-year-head h3 {
    margin: 0;
    font-family: var(--letters-display);
    font-size: 1.35rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--letters-blue-deep);
}

.letters-year-head span {
    color: var(--letters-ink-soft);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.letters-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
}

.letters-card {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--letters-line);
    background: rgba(255, 255, 255, 0.72);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.letters-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 74, 173, 0.28);
    box-shadow: 0 16px 36px rgba(8, 24, 56, 0.1);
}

.letters-card-media {
    min-height: 140px;
    background: linear-gradient(145deg, #001531, #004aad);
    overflow: hidden;
}

.letters-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.letters-card-body {
    padding: 1.05rem 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    min-width: 0;
}

.letters-card h3 {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--letters-blue-deep);
    letter-spacing: -0.015em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.letters-card p {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 0.92rem;
}

.letters-empty {
    padding: 2.5rem 1rem;
    text-align: center;
    color: var(--letters-ink-soft);
}

/* ---------- article ---------- */
.letter-article {
    padding: 1.75rem 0 4.5rem;
}

.letter-top {
    width: min(100%, 52rem);
    margin: 0 auto 1.35rem;
    animation: letters-rise 0.65s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.letter-back {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.95rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: rgba(0, 74, 173, 0.08);
    color: var(--letters-blue) !important;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.letter-back:hover {
    background: rgba(0, 74, 173, 0.14);
    color: var(--letters-blue-deep) !important;
    transform: translateX(-2px);
}

.letter-panel {
    padding: clamp(1.4rem, 3vw, 1.9rem) clamp(1.4rem, 3vw, 2.1rem);
    border: 1px solid var(--letters-line);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 14px 36px rgba(8, 24, 56, 0.06);
}

.letter-panel-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1.25rem;
    margin-bottom: 1rem;
}

.letter-panel-series {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: rgba(0, 74, 173, 0.08);
    color: var(--letters-blue);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.letter-panel .letters-author {
    color: var(--letters-ink-soft);
    font-size: 0.88rem;
    font-weight: 700;
}

.letter-panel .letters-author-photo {
    width: 1.7rem;
    height: 1.7rem;
}

.letter-panel h1 {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: clamp(1.55rem, 3.2vw, 2.15rem);
    font-weight: 750;
    letter-spacing: -0.02em;
    color: var(--letters-blue-deep);
    line-height: 1.2;
}

.letter-panel-subject {
    margin: 0.85rem 0 0;
    max-width: 40rem;
    color: var(--letters-ink-soft);
    font-size: 1.05rem;
    line-height: 1.6;
}

.letter-body {
    width: min(100%, 52rem);
    max-width: 100%;
    margin: 0 auto;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid var(--letters-line);
    box-shadow: 0 16px 40px rgba(12, 28, 64, 0.06);
    overflow-x: hidden;
    box-sizing: border-box;
}

.letter-body,
.letter-body table {
    font-family: var(--letters-sans) !important;
    color: var(--letters-ink) !important;
}

/* Email tables: don't invent widths — Brevo sets them via attrs/inline styles
   (including width:100% divider rules with border-top). Only neutralize vault
   table chrome that would otherwise paint blue headers / fixed columns. */
.letter-body table {
    max-width: 100% !important;
    table-layout: auto !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
    margin-left: auto !important;
    margin-right: auto !important;
    background: transparent !important;
}

/* Brevo horizontal rules: 1px-tall tables with a gray top border */
.letter-body table[height="1"],
.letter-body table[style*="border-top"] {
    width: 100% !important;
    min-height: 1px !important;
    height: 1px !important;
    font-size: 1px !important;
    line-height: 1px !important;
}

.letter-body table th,
.letter-body table td {
    width: auto !important; /* beat vault styles.css column % widths */
    max-width: 100% !important;
    background: transparent !important;
    border: 0 !important;
    border-bottom: 0 !important;
    font-weight: inherit !important;
    padding: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.letter-body table[align="center"],
.letter-body td[align="center"],
.letter-body th[align="center"],
.letter-body div[align="center"],
.letter-body p[align="center"],
.letter-body [style*="text-align:center"],
.letter-body [style*="text-align: center"] {
    text-align: center !important;
}

.letter-body table tr:hover {
    background: transparent !important;
}

.letter-body img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: 2px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.letter-body img.letter-diagram,
.letter-body .letter-diagram-frame img {
    max-width: min(100%, 400px) !important;
    width: auto !important;
    margin: 0 auto !important;
    display: block !important;
    border-radius: 4px;
}

.letter-body .letter-diagram-frame {
    display: block;
    width: fit-content;
    max-width: min(100%, 440px);
    margin: 1.25rem auto;
    padding: 1rem 1.15rem;
    background: #fff;
    border: 1px solid var(--letters-line);
    border-radius: 8px;
    box-shadow: 0 10px 26px rgba(12, 28, 64, 0.08);
}

/* Lighter treatment for the quant-question solution figure */
.letter-body .letter-diagram-frame--soft {
    max-width: min(100%, 480px);
    padding: 0.65rem 0.75rem;
    border-color: rgba(0, 33, 84, 0.08);
    box-shadow: 0 6px 16px rgba(12, 28, 64, 0.05);
    background: rgba(255, 255, 255, 0.92);
}

.letter-body .letter-diagram-frame--soft img.letter-diagram {
    max-width: min(100%, 440px) !important;
}

.letter-body a {
    color: var(--letters-blue) !important;
    text-decoration: underline;
    text-decoration-color: rgba(0, 74, 173, 0.35);
    text-underline-offset: 2px;
}

.letter-body a.letter-cta-btn,
.letter-body .letter-cta-btn {
    color: #fff !important;
    text-decoration: none !important;
}

/* Unify Brevo section titles to the original email heading style
   (Arial / Helvetica, regular weight) — nested spans otherwise diverge. */
.letter-body h1,
.letter-body h2,
.letter-body h3,
.letter-body h4,
.letter-body h1 *,
.letter-body h2 *,
.letter-body h3 *,
.letter-body h4 * {
    font-family: Arial, Helvetica, sans-serif !important;
    color: #1f2d3d !important;
    letter-spacing: normal;
    line-height: 1.25;
    font-weight: 400 !important;
    font-style: normal !important;
}

.letter-body h2,
.letter-body h2 * {
    font-size: 26px !important;
}

.letter-body h3,
.letter-body h3 * {
    font-size: 22px !important;
}

.letter-body h4,
.letter-body h4 * {
    font-size: 18px !important;
}

.letter-body p,
.letter-body li,
.letter-body td,
.letter-body div {
    line-height: 1.65;
}

/* Brevo separates short paragraphs with empty <p><br></p> spacers. Those are
   stripped in _letters_strip_spacer_paragraphs; keep a modest single-line gap
   between remaining content paragraphs so the archive reads normally. */
.letter-body p {
    margin-top: 0 !important;
    margin-bottom: 0.85em !important;
}

/* Defense in depth if a spacer slips past the HTML strip. */
.letter-body p:empty,
.letter-body p:has(> br:only-child) {
    display: none !important;
}

/* ---------- membership promo (Pav / Rudy / Pol embeds, stacked) ---------- */
.letter-member-promo {
    width: 100%;
}

.letter-member-video-frame,
#letter-pav-video-container,
#letter-rudy-video-container,
#letter-pol-video-container {
    position: relative;
    display: block;
    width: 100%;
    max-width: 570px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(22, 33, 62, 0.85) 100%);
    border: 1px solid rgba(0, 74, 173, 0.18);
    line-height: 0;
}

/* Image under the quote row (Become a Member block) */
.letter-member-cta-block img {
    margin-top: 1.1rem !important;
}

.letter-inline-cta {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 1.75rem auto 1.25rem;
    text-align: center;
}

.letter-cta-btn,
.letter-body a.letter-cta-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    margin-left: auto !important;
    margin-right: auto !important;
    padding: 0.95rem 1.55rem !important;
    border-radius: 14px !important;
    background: var(--letters-blue) !important;
    color: #fff !important;
    font-family: var(--letters-sans) !important;
    font-size: 1rem !important;
    font-weight: 800 !important;
    line-height: 1.2 !important;
    text-decoration: none !important;
    box-shadow: 0 10px 28px rgba(0, 74, 173, 0.28);
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.letter-cta-btn:hover,
.letter-body a.letter-cta-btn:hover {
    background: var(--letters-blue-deep) !important;
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 14px 34px rgba(0, 26, 77, 0.3);
}

.letter-prefs {
    width: min(100%, 52rem);
    margin: 2.75rem auto 0;
    padding: 1.75rem 0 0;
    border-top: 1px solid var(--letters-line);
}

.letter-prefs-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem 1.25rem;
    margin: 0 0 1.15rem;
    padding: 1.25rem 1.35rem;
    border: 1px solid rgba(0, 74, 173, 0.14);
    border-radius: 16px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(243, 246, 251, 0.94) 100%);
    box-shadow: 0 10px 28px rgba(8, 24, 56, 0.06);
}

.letter-prefs-card.is-on {
    border-color: rgba(34, 197, 94, 0.28);
    background:
        linear-gradient(135deg, rgba(240, 251, 243, 0.98) 0%, rgba(255, 255, 255, 0.96) 55%, rgba(243, 246, 251, 0.94) 100%);
}

.letter-prefs-card.is-off {
    border-color: rgba(0, 74, 173, 0.16);
}

.letter-prefs-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 12px;
    background: rgba(0, 74, 173, 0.08);
    color: var(--letters-blue);
    font-size: 1.15rem;
    flex-shrink: 0;
}

.letter-prefs-card.is-on .letter-prefs-icon {
    background: rgba(34, 197, 94, 0.12);
    color: #15803d;
}

.letter-prefs-copy {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.letter-prefs-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--letters-ink-soft);
}

.letter-prefs-state {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--letters-sans);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--letters-blue-deep);
}

.letter-prefs-dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: #94a3b8;
    box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.2);
}

.letter-prefs-card.is-on .letter-prefs-dot {
    background: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
}

.letter-prefs-card.is-on .letter-prefs-state {
    color: #166534;
}

.letter-prefs-hint {
    margin: 0.2rem 0 0;
    color: var(--letters-ink-soft);
    font-size: 0.88rem;
    font-weight: 500;
    line-height: 1.4;
}

.letter-prefs-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0.7rem 1.2rem;
    border: none;
    border-radius: 999px;
    background: var(--letters-blue);
    color: #fff;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    box-shadow: 0 6px 16px rgba(0, 74, 173, 0.22);
    transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.letter-prefs-action:hover {
    background: var(--letters-blue-mid);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 74, 173, 0.28);
}

.letter-prefs-card.is-on .letter-prefs-action {
    background: transparent;
    color: var(--letters-ink-soft);
    border: 1px solid rgba(0, 33, 84, 0.16);
    box-shadow: none;
}

.letter-prefs-card.is-on .letter-prefs-action:hover {
    background: rgba(0, 33, 84, 0.04);
    color: var(--letters-blue-deep);
    border-color: rgba(0, 74, 173, 0.28);
    transform: none;
}

.letter-prefs-guest-actions {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    flex-shrink: 0;
}

.letter-prefs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0.7rem 1.2rem;
    border-radius: 999px;
    font-family: var(--letters-sans);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none !important;
    white-space: nowrap;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.letter-prefs-btn--join {
    border: none;
    background: var(--letters-blue) !important;
    color: #fff !important;
    -webkit-text-fill-color: #fff;
    box-shadow: 0 6px 16px rgba(0, 74, 173, 0.22);
}

.letter-prefs-btn--join:hover {
    background: var(--letters-blue-mid) !important;
    color: #fff !important;
    -webkit-text-fill-color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 74, 173, 0.28);
}

.letter-prefs-btn--login {
    border: 1px solid rgba(0, 74, 173, 0.22);
    background: #fff !important;
    color: var(--letters-blue) !important;
    -webkit-text-fill-color: var(--letters-blue);
    box-shadow: 0 2px 8px rgba(8, 24, 56, 0.06);
}

.letter-prefs-btn--login:hover {
    background: #fff !important;
    color: var(--letters-blue-deep) !important;
    -webkit-text-fill-color: var(--letters-blue-deep);
    border-color: rgba(0, 74, 173, 0.4);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(8, 24, 56, 0.1);
}

.letter-prefs-back {
    display: inline-block;
    margin-top: 0.15rem;
    color: var(--letters-blue);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
}

.letter-prefs-back:hover {
    color: var(--letters-blue-deep);
}

@media (max-width: 960px) {
    .letters-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .letters-featured {
        grid-template-columns: 1fr;
    }

    .letters-featured-media {
        min-height: 220px;
    }

    .letters-featured h2 {
        white-space: normal;
    }

    .letters-card {
        grid-template-columns: 110px minmax(0, 1fr);
    }

    .letters-masthead {
        padding: 3rem 0 9rem;
    }

    body.letters-page:not(.letters-page--app-nav) .letters-masthead {
        padding-top: calc(3rem + var(--letters-public-nav-offset));
        padding-bottom: 9rem;
    }

    .letters-hero-copy {
        max-width: 100%;
    }

    .letters-masthead h1 {
        font-size: clamp(1.55rem, 6.5vw, 2.35rem);
    }

    .letters-hero-tagline {
        gap: 0.45rem;
    }

    .letters-tagline-item {
        font-size: 0.74rem;
        padding: 0.35rem 0.7rem;
    }

    .letters-hero-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .letters-delivery {
        width: 100%;
        max-width: 18rem;
        flex: 0 0 auto;
        margin: 0.35rem 0 0;
    }

    .letter-prefs-card,
    .letter-prefs-card--guest {
        grid-template-columns: auto minmax(0, 1fr);
        align-items: start;
    }

    .letter-prefs-action,
    .letter-prefs-guest-actions {
        grid-column: 1 / -1;
        justify-self: start;
    }

    .letters-section {
        margin-top: -4.5rem;
    }

    /* Article: force Brevo fixed-width email HTML to fit the viewport */
    html.letters-html,
    body.letters-page {
        overflow-x: hidden;
        max-width: 100vw;
    }

    .letters-wrap {
        width: min(100% - 1.25rem, var(--letters-max));
    }

    .letter-article {
        padding: 1.1rem 0 3rem;
        max-width: 100%;
        overflow-x: hidden;
    }

    .letter-top,
    .letter-body,
    .letter-prefs {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .letter-panel {
        padding: 1.15rem 1rem;
    }

    .letter-panel h1 {
        font-size: clamp(1.35rem, 6.5vw, 1.75rem);
        overflow-wrap: anywhere;
    }

    .letter-body {
        padding: 1rem 0.75rem;
        overflow-x: hidden;
    }

    .letter-body table {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        table-layout: fixed !important;
    }

    .letter-body table[height="1"],
    .letter-body table[style*="border-top"] {
        width: 100% !important;
        max-width: 100% !important;
    }

    .letter-body table th,
    .letter-body table td {
        width: auto !important;
        max-width: 100% !important;
        min-width: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: anywhere !important;
        white-space: normal !important;
    }

    .letter-body div,
    .letter-body p,
    .letter-body span {
        min-width: 0 !important;
        max-width: 100% !important;
        overflow-wrap: anywhere;
    }

    .letter-body img,
    .letter-body video {
        width: auto !important;
        max-width: 100% !important;
        height: auto !important;
    }

    .letter-body h2,
    .letter-body h2 * {
        font-size: 1.2rem !important;
    }

    .letter-body h3,
    .letter-body h3 * {
        font-size: 1.05rem !important;
    }

    .letter-body h4,
    .letter-body h4 * {
        font-size: 1rem !important;
    }

    .letter-member-video-frame,
    #letter-pav-video-container,
    #letter-rudy-video-container,
    #letter-pol-video-container {
        max-width: 100%;
    }

    .letter-cta-btn,
    .letter-body a.letter-cta-btn {
        max-width: 100%;
        box-sizing: border-box;
        white-space: normal;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .letters-featured,
    .letters-card,
    .letters-read-link i,
    .letters-delivery--guest .letters-delivery-action--join,
    .letters-delivery-live-dot,
    .letters-masthead-inner,
    .letters-featured-media img {
        animation: none !important;
        transition: none !important;
    }

    .letters-space-bg #spaceCanvas {
        display: none;
    }

    .letters-featured:hover,
    .letters-card:hover,
    .letters-delivery--guest .letters-delivery-action--join:hover,
    .letters-featured:hover .letters-featured-media img {
        transform: none;
    }
}

/* ---------- logged-in app sidebar shell (matches PHF pattern) ---------- */
/* Keep the public letters look; only the chrome (side/mobile nav) changes. */
html.letters-html body.letters-page,
html.letters-html[data-theme='dark'] body.letters-page,
html.letters-html body.letters-page.letters-page--reading,
html.letters-html[data-theme='dark'] body.letters-page.letters-page--reading {
    display: block !important;
    font-family: var(--letters-sans) !important;
    color: var(--letters-ink) !important;
    background-color: #f3f6fb !important;
    background-image:
        radial-gradient(rgba(37, 99, 235, 0.08) 1.1px, transparent 1.2px),
        radial-gradient(circle 460px at 6% 1%, rgba(0, 104, 216, 0.38), transparent 70%),
        radial-gradient(circle 420px at 94% 4%, rgba(124, 58, 237, 0.34), transparent 70%),
        radial-gradient(circle 380px at 82% 24%, rgba(245, 158, 11, 0.30), transparent 70%),
        radial-gradient(circle 400px at 3% 33%, rgba(13, 148, 136, 0.30), transparent 70%),
        radial-gradient(circle 460px at 22% 60%, rgba(5, 150, 105, 0.28), transparent 70%),
        radial-gradient(circle 430px at 97% 64%, rgba(99, 102, 241, 0.30), transparent 70%),
        radial-gradient(circle 380px at 52% 93%, rgba(37, 99, 235, 0.26), transparent 70%) !important;
    background-size: 22px 22px, auto, auto, auto, auto, auto, auto, auto !important;
    background-repeat: repeat, no-repeat, no-repeat, no-repeat, no-repeat, no-repeat, no-repeat, no-repeat !important;
    background-position: 0 -80px, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0 !important;
    background-attachment: fixed !important;
}

.letters-page--reading .main-content.letters-main-content {
    background: transparent !important;
}

/* Lessons-style reading progress (logged-in article only) */
.letter-read-progress {
    position: fixed;
    top: 0;
    left: 240px;
    right: 0;
    height: 4px;
    background: transparent;
    z-index: 1200;
    pointer-events: none;
}

.letters-page--app-nav .sidebar.collapsed ~ .main-content .letter-read-progress {
    left: 80px;
}

body.has-mobile-layout .letter-read-progress {
    left: 0;
}

.letter-read-progress__fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #004aad 0%, #0068d8 45%, #22b8cf 75%, #f59e0b 100%);
    box-shadow: 0 1px 8px rgba(0, 74, 173, 0.5);
    transition: width 0.12s linear;
}

@media (prefers-reduced-motion: reduce) {
    .letter-read-progress__fill {
        transition: none;
    }
}

.letters-page--app-nav .mobile-container {
    display: none;
}

.letters-page--app-nav .desktop-container.letters-app-shell {
    display: block;
    height: auto;
    min-height: 100vh;
    background: transparent;
}

.letters-page--app-nav .main-content.letters-main-content {
    background: transparent !important;
    color: var(--letters-ink) !important;
    padding: 0 0 2.5rem !important;
    min-height: 100vh;
    box-sizing: border-box;
    overflow-x: hidden;
    border-radius: 0 !important;
}

/* Full-bleed space masthead inside the content column (sidebar-aware width) */
.letters-page--app-nav .letters-masthead {
    width: 100%;
    max-width: none;
    margin: 0;
    border-radius: 0 !important;
}

.letters-page--app-nav .letters-masthead-inner,
.letters-page--app-nav .letters-section > .letters-wrap {
    width: min(100% - 5rem, var(--letters-max));
}

.letters-page--app-nav .letters-section {
    padding-left: 0;
    padding-right: 0;
}

/* ------------------------------------------------------------------
   Logged-in app shell: force the same paper letter chrome as logged-out.
   Vault styles.css / dark_mode.css load for the sidebar and would otherwise
   recolor Brevo tables, body, and text.
   ------------------------------------------------------------------ */
html.letters-html.letters-html--app,
html.letters-html.letters-html--app[data-theme='dark'] {
    color-scheme: light;
    background: var(--letters-paper) !important;
}

html.letters-html.letters-html--app body.letters-page,
html.letters-html.letters-html--app[data-theme='dark'] body.letters-page {
    color: var(--letters-ink) !important;
    font-family: var(--letters-sans) !important;
}

html.letters-html.letters-html--app .letter-article,
html.letters-html.letters-html--app .letter-top,
html.letters-html.letters-html--app .letter-panel,
html.letters-html.letters-html--app .letter-body {
    color: var(--letters-ink) !important;
    font-family: var(--letters-sans) !important;
}

html.letters-html.letters-html--app .letter-prefs {
    font-family: var(--letters-sans) !important;
    color: var(--letters-ink) !important;
    background: transparent !important;
    border-color: var(--letters-line) !important;
}

html.letters-html.letters-html--app .letter-prefs-card {
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(243, 246, 251, 0.94) 100%) !important;
    border-color: rgba(0, 74, 173, 0.14) !important;
    color: var(--letters-ink) !important;
}

html.letters-html.letters-html--app .letter-prefs-card.is-on {
    background:
        linear-gradient(135deg, rgba(240, 251, 243, 0.98) 0%, rgba(255, 255, 255, 0.96) 55%, rgba(243, 246, 251, 0.94) 100%) !important;
    border-color: rgba(34, 197, 94, 0.28) !important;
}

html.letters-html.letters-html--app .letter-prefs-label {
    color: var(--letters-ink-soft) !important;
}

html.letters-html.letters-html--app .letter-prefs-state {
    color: var(--letters-blue-deep) !important;
}

html.letters-html.letters-html--app .letter-prefs-card.is-on .letter-prefs-state {
    color: #166534 !important;
}

html.letters-html.letters-html--app .letter-prefs-hint {
    color: var(--letters-ink-soft) !important;
}

html.letters-html.letters-html--app .letter-prefs-action {
    background: var(--letters-blue) !important;
    color: #fff !important;
}

html.letters-html.letters-html--app .letter-prefs-card.is-on .letter-prefs-action {
    background: transparent !important;
    color: var(--letters-ink-soft) !important;
    border: 1px solid rgba(0, 33, 84, 0.16) !important;
}

html.letters-html.letters-html--app .letter-prefs-btn--join {
    background: var(--letters-blue) !important;
    color: #fff !important;
    -webkit-text-fill-color: #fff !important;
}

html.letters-html.letters-html--app .letter-prefs-btn--login {
    background: #fff !important;
    color: var(--letters-blue) !important;
    -webkit-text-fill-color: var(--letters-blue) !important;
    border: 1px solid rgba(0, 74, 173, 0.22) !important;
}

html.letters-html.letters-html--app .letter-panel,
html.letters-html.letters-html--app[data-theme='dark'] .letter-panel {
    background: rgba(255, 255, 255, 0.9) !important;
    border-color: var(--letters-line) !important;
    box-shadow: 0 14px 36px rgba(8, 24, 56, 0.06) !important;
}

html.letters-html.letters-html--app .letter-body,
html.letters-html.letters-html--app[data-theme='dark'] .letter-body {
    background: rgba(255, 255, 255, 0.84) !important;
    border-color: var(--letters-line) !important;
    box-shadow: 0 16px 40px rgba(12, 28, 64, 0.06) !important;
}

html.letters-html.letters-html--app .letter-panel h1 {
    color: var(--letters-blue-deep) !important;
    background: transparent !important;
}

/* Default ink — do not blanket-force spans/divs (Brevo uses white text on CTAs) */
html.letters-html.letters-html--app .letter-body {
    color: var(--letters-ink) !important;
}

html.letters-html.letters-html--app .letter-panel-subject,
html.letters-html.letters-html--app .letter-panel .letters-author {
    color: var(--letters-ink-soft) !important;
    background: transparent !important;
}

html.letters-html.letters-html--app .letter-back {
    color: var(--letters-blue) !important;
}

html.letters-html.letters-html--app .letter-body a.letter-cta-btn,
html.letters-html.letters-html--app .letter-body .letter-cta-btn {
    color: #fff !important;
}

/* styles.css ships a global `* { margin: 0; padding: 0 }` reset that the
   logged-out page never loads. Roll it back inside the letter so Brevo
   spacing matches. :where() keeps specificity at 0 so email CSS still wins. */
html.letters-html.letters-html--app .letter-body
:where(p, ul, ol, li, dl, dd, blockquote, figure, h1, h2, h3, h4, h5, h6) {
    margin: revert;
    padding: revert;
}

html.letters-html.letters-html--app .letters-featured,
html.letters-html.letters-html--app[data-theme='dark'] .letters-featured {
    background: rgba(255, 255, 255, 0.94) !important;
    color: var(--letters-ink) !important;
    border: 0 !important;
    box-shadow:
        0 28px 70px rgba(0, 10, 30, 0.28),
        0 8px 24px rgba(0, 74, 173, 0.12) !important;
}

html.letters-html.letters-html--app .letters-card,
html.letters-html.letters-html--app[data-theme='dark'] .letters-card {
    background: rgba(255, 255, 255, 0.78) !important;
    color: var(--letters-ink) !important;
    border-color: var(--letters-line) !important;
}

html.letters-html.letters-html--app .letters-featured h2,
html.letters-html.letters-html--app .letters-card h2,
html.letters-html.letters-html--app .letters-card h3 {
    color: var(--letters-blue-deep) !important;
}

html.letters-html.letters-html--app .letters-featured p,
html.letters-html.letters-html--app .letters-card p,
html.letters-html.letters-html--app .letters-meta,
html.letters-html.letters-html--app .letters-author {
    color: var(--letters-ink-soft) !important;
    background: transparent !important;
}

@media (max-width: 768px) {
    .letters-page--app-nav .mobile-container {
        display: block;
        min-height: 0 !important;
        height: 0;
        overflow: visible;
        background: transparent !important;
    }

    .letters-page--app-nav .letters-app-shell .sidebar {
        display: none;
    }

    .letters-page--app-nav .letters-app-shell .main-content.letters-main-content {
        margin-left: 0 !important;
        width: 100% !important;
        margin-top: 64px;
        min-height: 0;
        padding: 0 0 3rem !important;
        background: transparent !important;
    }

    .letters-page--app-nav .letters-masthead-inner,
    .letters-page--app-nav .letters-section > .letters-wrap {
        width: min(100% - 1.5rem, var(--letters-max));
    }
}