/* ══════════════════════════════════════════
   TIME CAPSULE MESSAGE — Master Stylesheet
   Theme: Warm vault / sealed-memory aesthetic
   ══════════════════════════════════════════ */

/* ─── Custom Properties ─── */
:root {
    --bg-deep:    #0e0c15;
    --bg-surface: #16131f;
    --bg-card:    #1e1a2a;
    --bg-input:   #241f32;

    --accent:      #c9a87c;
    --accent-glow: rgba(201, 168, 124, 0.25);
    --accent-dim:  #8b7050;
    --accent-cool: #7a8ec7;

    --text:       #e8e4dd;
    --text-soft:  #b5b0a8;
    --text-muted: #7a756d;

    --danger:     #d4614b;
    --success:    #6dbf7b;
    --locked:     #d4614b;
    --unlocked:   #6dbf7b;

    --radius:     12px;
    --radius-sm:  8px;
    --radius-lg:  18px;

    --ease:       cubic-bezier(0.22, 1, 0.36, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body:    'DM Sans', system-ui, -apple-system, sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

    --grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

/* ─── Reset ─── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    color-scheme: dark;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--grain);
    pointer-events: none;
    z-index: 9999;
    opacity: 0.35;
}

/* ─── Typography ─── */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s var(--ease);
}
a:hover { color: var(--text); }
a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 3px;
}

img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

::selection {
    background: var(--accent);
    color: var(--bg-deep);
}

/* ─── Layout ─── */
.container {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

.page-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ═══════════════════════════════════════
   HEADER
   ═══════════════════════════════════════ */
.site-header {
    padding: 20px 0;
    text-align: center;
    position: relative;
    z-index: 10;
}

.site-header__logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
}

.site-header__logo:hover { color: var(--accent); }

.site-header__icon {
    width: 32px;
    height: 32px;
}

.site-header__name {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* ═══════════════════════════════════════
   HERO / CREATE VIEW
   ═══════════════════════════════════════ */
.hero {
    text-align: center;
    padding: 48px 0 24px;
}

.hero__title {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--accent) 0%, #e8d5b8 60%, var(--accent-cool) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__sub {
    font-size: 1.05rem;
    color: var(--text-soft);
    max-width: 480px;
    margin: 0 auto;
}

/* ═══════════════════════════════════════
   CAPSULE FORM
   ═══════════════════════════════════════ */
.capsule-form {
    background: var(--bg-card);
    border: 1px solid rgba(201, 168, 124, 0.1);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    margin: 32px auto 0;
    max-width: 560px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group__label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-soft);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.form-group__textarea {
    background: var(--bg-input);
    border: 1px solid rgba(201, 168, 124, 0.12);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    color: var(--text);
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    min-height: 140px;
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.form-group__textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group__textarea::placeholder {
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.time-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.time-input-wrap .form-group__input {
    padding-right: 44px;
}

.time-pick-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background 0.2s;
}

.time-pick-btn:hover {
    color: var(--accent);
    background: rgba(201, 168, 124, 0.1);
}

.time-grid {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid rgba(201, 168, 124, 0.18);
    border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    padding: 8px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    max-height: 240px;
    overflow-y: auto;
    z-index: 50;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
}

.time-grid[hidden] {
    display: none;
}

.time-grid__item {
    padding: 6px 4px;
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    font-family: 'DM Sans', sans-serif;
}

.time-grid__item:hover {
    color: var(--accent);
    background: rgba(201, 168, 124, 0.08);
    border-color: rgba(201, 168, 124, 0.2);
}

.time-grid__item.active {
    color: var(--bg-deep);
    background: var(--accent);
    border-color: var(--accent);
    font-weight: 600;
}

/* ─── Custom Date Picker ─── */
.date-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.date-input-wrap .form-group__input {
    padding-right: 44px;
    cursor: pointer;
}

.date-pick-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background 0.2s;
}

.date-pick-btn:hover {
    color: var(--accent);
    background: rgba(201, 168, 124, 0.1);
}

.date-cal {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    width: 280px;
    background: var(--bg-card);
    border: 1px solid rgba(201, 168, 124, 0.18);
    border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    padding: 12px;
    z-index: 50;
}

.date-cal[hidden] {
    display: none;
}

.date-cal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.date-cal__title {
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
    user-select: none;
}

.date-cal__nav {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background 0.2s;
}

.date-cal__nav:hover {
    color: var(--accent);
    background: rgba(201, 168, 124, 0.1);
}

.date-cal__weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    margin-bottom: 4px;
}

.date-cal__weekdays span {
    text-align: center;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 4px 0;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.date-cal__days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.date-cal__day {
    padding: 6px 2px;
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-soft);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    font-family: 'DM Sans', sans-serif;
    line-height: 1.4;
}

.date-cal__day:hover:not(.date-cal__day--disabled):not(.date-cal__day--empty) {
    color: var(--accent);
    background: rgba(201, 168, 124, 0.08);
    border-color: rgba(201, 168, 124, 0.2);
}

.date-cal__day--today {
    color: var(--accent);
    border-color: rgba(201, 168, 124, 0.3);
}

.date-cal__day--selected {
    color: var(--bg-deep) !important;
    background: var(--accent) !important;
    border-color: var(--accent) !important;
    font-weight: 600;
}

.date-cal__day--disabled {
    color: var(--text-muted);
    opacity: 0.3;
    cursor: not-allowed;
}

.date-cal__day--empty {
    visibility: hidden;
    cursor: default;
}

.date-cal__day--other {
    color: var(--text-muted);
    opacity: 0.4;
}

.form-group__input {
    background: var(--bg-input);
    border: 1px solid rgba(201, 168, 124, 0.12);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    color: var(--text);
    font-size: 0.95rem;
    width: 100%;
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.form-group__input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group__input::placeholder {
    color: var(--text-muted);
}

.form-group__hint {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.form-group__meta {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}

.char-counter {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    transition: color 0.2s;
}

.char-counter.warn { color: var(--accent); }
.char-counter.danger { color: var(--danger); }

.form-error {
    color: var(--danger);
    font-size: 0.85rem;
    display: none;
    text-align: center;
}

/* ─── Seal Button ─── */
.btn-seal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
    color: var(--bg-deep);
    border: none;
    border-radius: var(--radius);
    padding: 16px 32px;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: transform 0.25s var(--ease-bounce), box-shadow 0.3s var(--ease), opacity 0.2s;
    position: relative;
    overflow: hidden;
}

.btn-seal:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-seal:active {
    transform: translateY(0) scale(0.98);
}

.btn-seal:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-seal__icon {
    width: 20px;
    height: 20px;
    transition: transform 0.4s var(--ease);
}

.btn-seal:hover .btn-seal__icon {
    transform: rotate(-15deg) scale(1.1);
}

/* ═══════════════════════════════════════
   SEALED STATE
   ═══════════════════════════════════════ */
.sealed-view {
    display: none;
    text-align: center;
    padding: 48px 0 32px;
    animation: sealedFadeIn 0.8s var(--ease) both;
}

.sealed-view.active { display: block; }

@keyframes sealedFadeIn {
    from { opacity: 0; transform: translateY(24px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.sealed__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    color: var(--accent);
    animation: lockPulse 2s ease-in-out infinite;
}

@keyframes lockPulse {
    0%, 100% { filter: drop-shadow(0 0 8px var(--accent-glow)); }
    50%      { filter: drop-shadow(0 0 20px var(--accent-glow)); }
}

.sealed__title {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: var(--accent);
}

.sealed__date {
    font-size: 1rem;
    color: var(--text-soft);
    margin-bottom: 28px;
}

.sealed__actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
    margin: 0 auto 24px;
}

.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: transform 0.2s var(--ease), background 0.25s;
}

.btn-action:hover { transform: translateY(-1px); }
.btn-action:active { transform: translateY(0); }

.btn-action--primary {
    background: var(--accent);
    color: var(--bg-deep);
}
.btn-action--primary:hover {
    background: #d4b78a;
}

.btn-action--secondary {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid rgba(201, 168, 124, 0.15);
}
.btn-action--secondary:hover {
    background: var(--bg-card);
    border-color: var(--accent-dim);
}

.btn-action__icon {
    width: 18px;
    height: 18px;
}

.sealed__feedback {
    font-size: 0.85rem;
    color: var(--success);
    min-height: 1.3em;
    transition: opacity 0.3s;
}

.sealed__note {
    font-size: 0.9rem;
    color: var(--text-muted);
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.5;
}

.sealed__new {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 28px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid rgba(201, 168, 124, 0.2);
    color: var(--text-soft);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}
.sealed__new:hover {
    color: var(--accent);
    border-color: var(--accent-dim);
}

/* ═══════════════════════════════════════
   OPEN / LOCKED VIEW
   ═══════════════════════════════════════ */
.open-view {
    display: none;
    text-align: center;
    padding: 60px 0 32px;
    animation: sealedFadeIn 0.7s var(--ease) both;
}

.open-view.active { display: block; }

/* ─── Locked ─── */
.locked-state {
    display: none;
}
.locked-state.active { display: block; }

.locked__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    color: var(--locked);
    animation: lockShake 3s ease-in-out infinite;
}

@keyframes lockShake {
    0%, 90%, 100% { transform: rotate(0); }
    92% { transform: rotate(-3deg); }
    94% { transform: rotate(3deg); }
    96% { transform: rotate(-2deg); }
    98% { transform: rotate(2deg); }
}

.locked__title {
    font-size: 1.6rem;
    color: var(--locked);
    margin-bottom: 8px;
}

.locked__until {
    font-size: 1rem;
    color: var(--text-soft);
    margin-bottom: 32px;
}

/* ─── Countdown ─── */
.countdown {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.countdown__block {
    background: var(--bg-card);
    border: 1px solid rgba(201, 168, 124, 0.1);
    border-radius: var(--radius);
    padding: 16px 20px;
    min-width: 80px;
    text-align: center;
}

.countdown__number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.countdown__label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-top: 6px;
}

.locked__note {
    font-size: 0.85rem;
    color: var(--text-muted);
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ─── Passphrase Prompt ─── */
.passphrase-prompt {
    display: none;
    max-width: 400px;
    margin: 0 auto;
}
.passphrase-prompt.active { display: block; }

.passphrase-prompt__title {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: var(--accent);
}

.passphrase-prompt__sub {
    font-size: 0.9rem;
    color: var(--text-soft);
    margin-bottom: 20px;
}

.passphrase-prompt__row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.passphrase-prompt__row .form-group__input {
    flex: 1;
}

.passphrase-prompt__error {
    color: var(--danger);
    font-size: 0.85rem;
    min-height: 1.2em;
}

/* ─── Unlocked / Message Reveal ─── */
.unlocked-state {
    display: none;
    animation: sealedFadeIn 0.8s var(--ease) both;
}
.unlocked-state.active { display: block; }

.unlocked__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    color: var(--unlocked);
    animation: unlockGlow 2s ease-in-out infinite;
}

@keyframes unlockGlow {
    0%, 100% { filter: drop-shadow(0 0 6px rgba(109, 191, 123, 0.3)); }
    50%      { filter: drop-shadow(0 0 18px rgba(109, 191, 123, 0.5)); }
}

.unlocked__title {
    font-size: 1.6rem;
    color: var(--unlocked);
    margin-bottom: 6px;
}

.unlocked__date {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.message-reveal {
    background: var(--bg-card);
    border: 1px solid rgba(109, 191, 123, 0.15);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: left;
    max-width: 520px;
    margin: 0 auto 28px;
    position: relative;
    overflow: hidden;
}

.message-reveal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--unlocked), var(--accent), var(--unlocked));
}

.message-reveal__text {
    font-size: 1.05rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text);
}

.unlocked__note {
    font-size: 0.85rem;
    color: var(--text-muted);
    max-width: 400px;
    margin: 0 auto;
}

/* ─── Error State ─── */
.error-state {
    display: none;
    text-align: center;
    padding: 60px 0;
}
.error-state.active { display: block; }

.error-state__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    color: var(--danger);
}

.error-state__title {
    font-size: 1.4rem;
    color: var(--danger);
    margin-bottom: 8px;
}

.error-state__text {
    color: var(--text-soft);
    font-size: 0.95rem;
    max-width: 400px;
    margin: 0 auto;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.site-footer {
    padding: 32px 0;
    text-align: center;
    border-top: 1px solid rgba(201, 168, 124, 0.08);
    margin-top: 80px;
}

.site-footer__links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.site-footer__links a {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}
.site-footer__links a:hover { color: var(--accent); }

.site-footer__copy {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.site-footer__disclaimer {
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.7;
    margin-top: 6px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ═══════════════════════════════════════
   LEGAL PAGES
   ═══════════════════════════════════════ */
.legal-page {
    padding: 48px 0;
    max-width: 680px;
    margin: 0 auto;
}

.legal-page h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: var(--accent);
}

.legal-page .legal-updated {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.legal-page h2 {
    font-size: 1.15rem;
    margin: 28px 0 10px;
    color: var(--text);
}

.legal-page p,
.legal-page li {
    font-size: 0.92rem;
    color: var(--text-soft);
    line-height: 1.7;
    margin-bottom: 12px;
}

.legal-page ul {
    list-style: none;
    padding-left: 0;
}

.legal-page ul li::before {
    content: '\2022';
    color: var(--accent-dim);
    margin-right: 10px;
}

.legal-page a {
    color: var(--accent);
}

/* ─── Contact Form ─── */
.contact-card {
    background: var(--bg-card);
    border: 1px solid rgba(201, 168, 124, 0.1);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    margin-top: 24px;
}

.contact-card p {
    margin-bottom: 16px;
}

/* ═══════════════════════════════════════
   UTILITIES
   ═══════════════════════════════════════ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 600px) {
    .container { padding: 0 16px; }

    .capsule-form { padding: 24px 18px; }

    .form-row { grid-template-columns: 1fr; }

    .countdown { gap: 10px; }

    .countdown__block {
        padding: 12px 14px;
        min-width: 65px;
    }

    .countdown__number { font-size: 1.6rem; }

    .sealed__actions { padding: 0 8px; }

    .message-reveal { padding: 22px 18px; }
}

/* ═══════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}