:root {
    --bg: #fff9fb;
    --surface: rgba(255,255,255,.82);
    --text: #563f48;
    --muted: #927882;
    --pink: #c9869d;
    --pink-soft: #f4dbe4;
    --gold: #b99355;
    --border: rgba(170,120,140,.18);
    --shadow: 0 24px 65px rgba(101,66,79,.12);
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:linear-gradient(145deg,#fff,#fff5f8 55%,#f8edf1);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif} a{text-decoration:none;color:inherit} button,input,select{font:inherit}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:18px clamp(18px,5vw,64px);background:rgba(255,250,252,.78);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.brand{font-family:Georgia,serif;font-size:24px;color:var(--pink)}nav{display:flex;gap:18px;font-size:14px;color:var(--muted)}.hero{position:relative;min-height:76vh;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:40px;padding:80px clamp(24px,8vw,110px);overflow:hidden}.hero-content{position:relative;z-index:2;max-width:680px}.eyebrow{display:inline-block;color:var(--gold);font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.hero h1,.section-heading h1,.section-heading h2{font-family:Georgia,serif;font-weight:400;line-height:1.02;margin:16px 0}.hero h1{font-size:clamp(48px,8vw,88px)}.hero h1 em{color:var(--pink);font-style:italic}.hero p{max-width:630px;color:var(--muted);font-family:Georgia,serif;font-size:18px;line-height:1.85}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:999px;border:1px solid transparent;cursor:pointer}.button-primary{color:white;background:linear-gradient(135deg,#d89cb1,#bf7892);box-shadow:0 14px 30px rgba(191,120,146,.24)}.button-secondary{background:white;border-color:var(--border);color:var(--pink)}.hero-card{position:relative;width:min(100%,390px);aspect-ratio:4/5;margin:auto;border-radius:36px;background:var(--surface);border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow);backdrop-filter:blur(18px)}.mini-map-line{position:absolute;left:50%;top:14%;bottom:14%;width:3px;background:linear-gradient(var(--gold),var(--pink));transform:translateX(-50%);border-radius:4px}.mini-stop{position:absolute;left:50%;width:52px;height:52px;display:grid;place-items:center;transform:translateX(-50%);border-radius:50%;background:white;border:2px solid var(--pink-soft);box-shadow:0 10px 25px rgba(101,66,79,.12);font-family:Georgia,serif;color:var(--pink)}.stop-one{top:10%}.stop-two{top:35%}.stop-three{top:60%}.stop-four{top:84%;color:var(--gold)}.hero-glow{position:absolute;border-radius:50%;filter:blur(70px);opacity:.35}.hero-glow-one{width:340px;height:340px;background:#efc9d5;left:-120px;top:-90px}.hero-glow-two{width:280px;height:280px;background:#edd7af;right:-80px;bottom:-90px}.section,.studio-shell{padding:70px clamp(24px,7vw,100px)}.section-heading{text-align:center;max-width:700px;margin:0 auto 36px}.section-heading h2,.studio-heading h1{font-size:clamp(36px,6vw,60px)}.feature-grid,.admin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-grid article,.admin-grid article,.builder-panel,.preview-panel{background:var(--surface);border:1px solid rgba(255,255,255,.9);border-radius:28px;box-shadow:var(--shadow);padding:26px}.feature-grid b{color:var(--gold)}.feature-grid p,.studio-heading p{color:var(--muted);line-height:1.7}.builder-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:28px;align-items:start}.form-group{display:grid;gap:10px;margin-bottom:22px}.form-label,.form-group label{font-weight:700}.form-group small{color:var(--muted)}input,select{width:100%;min-height:48px;padding:0 14px;border:1px solid var(--border);border-radius:15px;background:white;color:var(--text);outline:none}.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.choice-card{padding:14px;border:1px solid var(--border);border-radius:18px;background:white;text-align:left;cursor:pointer}.choice-card.is-selected{border-color:var(--pink);box-shadow:0 0 0 3px rgba(201,134,157,.12)}.choice-card strong,.choice-card small{display:block}.choice-card small{margin-top:6px;color:var(--muted);line-height:1.4}.theme-swatch{display:block;height:44px;border-radius:12px;margin-bottom:10px}.theme-sakura{background:linear-gradient(145deg,#fff,#f7dce6)}.theme-princess{background:linear-gradient(145deg,#fff7e7,#f1d5de)}.theme-vintage{background:linear-gradient(145deg,#f7ecd8,#dcc7aa)}.module-header{display:flex;justify-content:space-between}.module-list{display:grid;gap:10px}.module-option{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--border);border-radius:16px;background:white}.module-option input{width:auto;min-height:auto;margin-top:4px}.module-option span strong,.module-option span small{display:block}.module-option span small{color:var(--muted);margin-top:4px}.module-option.is-disabled{opacity:.45}.save-message{min-height:22px;color:var(--gold)}.preview-panel{position:sticky;top:100px}.preview-label{display:block;margin-bottom:12px;color:var(--gold);font-size:12px;letter-spacing:.12em;text-transform:uppercase}.story-preview{min-height:430px;padding:34px;border-radius:28px;display:flex;flex-direction:column;justify-content:center;text-align:center;transition:.3s}.story-preview h2{font-family:Georgia,serif;font-size:42px;margin:16px 0}.preview-brand{color:var(--gold);letter-spacing:.18em;text-transform:uppercase;font-size:12px}.preview-modules{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:24px}.preview-modules span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.7);font-size:12px}.admin-grid{grid-template-columns:repeat(4,1fr)}.admin-grid span,.admin-grid strong{display:block}.admin-grid span{color:var(--muted);margin-bottom:10px}.site-footer{text-align:center;padding:28px;color:var(--muted);border-top:1px solid var(--border)}
@media(max-width:900px){.hero,.builder-grid{grid-template-columns:1fr}.hero-card{width:min(100%,320px)}.choice-grid,.feature-grid,.admin-grid{grid-template-columns:1fr}.preview-panel{position:static}}@media(max-width:620px){nav{gap:10px;font-size:12px}.hero{padding-top:55px}.hero h1{font-size:48px}.hero p{font-size:16px}.studio-shell,.section{padding-left:18px;padding-right:18px}}

/* STAGE4 GÜNCELLEME 2 — uygulama açık/koyu görünümü */
:root{color-scheme:light}
html[data-ui-theme="dark"]{color-scheme:dark;--background:#0f111b;--surface:#181b28;--surface-strong:#202434;--text:#f4eaf0;--muted:#b9aab3;--border:rgba(239,218,229,.13);--pink:#dc9db5;--pink-soft:#3a2431;--gold:#dfbd73}
html[data-ui-theme="dark"] body{background:radial-gradient(circle at 14% 3%,rgba(139,61,103,.17),transparent 28%),linear-gradient(150deg,#0d1019,#151321 55%,#0b0d15);color:var(--text)}
html[data-ui-theme="dark"] .site-header,html[data-ui-theme="dark"] .site-footer{background:rgba(15,17,27,.82);border-color:var(--border);backdrop-filter:blur(18px)}
html[data-ui-theme="dark"] .site-header a,html[data-ui-theme="dark"] .site-footer{color:var(--text)}
html[data-ui-theme="dark"] .builder-panel,html[data-ui-theme="dark"] .preview-panel,html[data-ui-theme="dark"] .choice-card,html[data-ui-theme="dark"] .module-option,html[data-ui-theme="dark"] .stage-card,html[data-ui-theme="dark"] .selection-summary div,html[data-ui-theme="dark"] input,html[data-ui-theme="dark"] textarea{background-color:var(--surface);color:var(--text);border-color:var(--border)}
.site-header nav{display:flex;align-items:center;gap:18px}.ui-theme-toggle{position:relative;width:48px;height:28px;padding:0;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.68);color:var(--text);cursor:pointer;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25);transition:.25s}.theme-icon{position:absolute;top:50%;width:22px;height:22px;display:grid;place-items:center;transform:translateY(-50%);transition:.3s}.theme-icon-sun{left:3px;opacity:1}.theme-icon-moon{right:3px;opacity:.35}html[data-ui-theme="dark"] .ui-theme-toggle{background:#272b3d;border-color:rgba(232,208,221,.2)}html[data-ui-theme="dark"] .theme-icon-sun{opacity:.3}html[data-ui-theme="dark"] .theme-icon-moon{opacity:1;color:#f0d789}
@media(max-width:640px){.site-header nav>a{display:none}.site-header nav{margin-left:auto}.ui-theme-toggle{width:46px}}

/* STAGE 5 — aydınlık/koyu görünüm uyumluluk optimizasyonu */
:root {
    --background: #fff9fb;
    --surface-strong: #fffdfd;
    --surface-soft: rgba(255,255,255,.62);
    --input-bg: #ffffff;
    --overlay: rgba(255,255,255,.82);
    --success: #347653;
    --warning: #9b5f2c;
    --focus-ring: rgba(201,134,157,.22);
}

html[data-ui-theme="dark"] {
    --bg: #0f111b;
    --background: #0f111b;
    --surface: #181b28;
    --surface-strong: #202434;
    --surface-soft: rgba(32,36,52,.72);
    --input-bg: #121520;
    --overlay: rgba(15,17,27,.86);
    --text: #f4eaf0;
    --muted: #b9aab3;
    --border: rgba(239,218,229,.13);
    --pink: #e1a5bc;
    --pink-soft: #3a2431;
    --gold: #e2c078;
    --shadow: 0 24px 70px rgba(0,0,0,.34);
    --success: #8fd6ae;
    --warning: #e0b07a;
    --focus-ring: rgba(225,165,188,.22);
}

body,
.site-header,
.site-footer,
.builder-panel,
.preview-panel,
.choice-card,
.module-option,
.stage-card,
input,
textarea,
select,
button {
    transition: background-color .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease;
}

input,
textarea,
select {
    background: var(--input-bg);
    color: var(--text);
    border-color: var(--border);
}

input::placeholder,
textarea::placeholder {
    color: color-mix(in srgb, var(--muted) 78%, transparent);
}

input:focus,
textarea:focus,
select:focus,
button:focus-visible,
a:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

html[data-ui-theme="dark"] .button-secondary,
html[data-ui-theme="dark"] .choice-card,
html[data-ui-theme="dark"] .module-option,
html[data-ui-theme="dark"] .stage-card,
html[data-ui-theme="dark"] .music-upload-card,
html[data-ui-theme="dark"] .music-preview-panel,
html[data-ui-theme="dark"] .fixed-stage-strip,
html[data-ui-theme="dark"] .selection-summary > div,
html[data-ui-theme="dark"] .stage-sidebar,
html[data-ui-theme="dark"] .editor-panel,
html[data-ui-theme="dark"] .live-card-panel,
html[data-ui-theme="dark"] .module-photo-guide,
html[data-ui-theme="dark"] .image-dropzone,
html[data-ui-theme="dark"] .stage-nav-item,
html[data-ui-theme="dark"] .content-preview-card {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

html[data-ui-theme="dark"] .button-secondary:hover,
html[data-ui-theme="dark"] .choice-card:hover,
html[data-ui-theme="dark"] .module-option:hover,
html[data-ui-theme="dark"] .stage-card:hover,
html[data-ui-theme="dark"] .stage-nav-item:hover {
    background-color: var(--surface-strong);
}

html[data-ui-theme="dark"] .choice-card.is-selected,
html[data-ui-theme="dark"] .module-option.is-selected,
html[data-ui-theme="dark"] .stage-card.is-selected,
html[data-ui-theme="dark"] .stage-nav-item.is-active {
    background: linear-gradient(145deg, rgba(225,165,188,.13), rgba(226,192,120,.08));
    border-color: rgba(225,165,188,.58);
    box-shadow: 0 0 0 3px rgba(225,165,188,.10);
}

html[data-ui-theme="dark"] .field-meta,
html[data-ui-theme="dark"] .block-heading p,
html[data-ui-theme="dark"] .mini-section-heading p,
html[data-ui-theme="dark"] .music-trim-note,
html[data-ui-theme="dark"] .module-option small,
html[data-ui-theme="dark"] .route-copy small,
html[data-ui-theme="dark"] .preview-note,
html[data-ui-theme="dark"] .editor-heading p,
html[data-ui-theme="dark"] .stage-nav-item small {
    color: var(--muted);
}

html[data-ui-theme="dark"] .story-preview:not(.theme-midnight):not(.theme-velvet):not(.theme-emerald),
html[data-ui-theme="dark"] .content-preview-card:not(.theme-midnight):not(.theme-velvet):not(.theme-emerald) {
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.05), 0 24px 60px rgba(0,0,0,.24);
}

html[data-ui-theme="dark"] .validation-message.is-valid,
html[data-ui-theme="dark"] .save-message,
html[data-ui-theme="dark"] .publish-message {
    color: var(--success);
}

html[data-ui-theme="dark"] .validation-message.is-error {
    color: var(--warning);
}

html[data-ui-theme="dark"] input[type="range"] {
    accent-color: var(--pink);
}

html[data-ui-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1) opacity(.75);
}

html[data-ui-theme="dark"] .site-header nav a:hover,
html[data-ui-theme="dark"] .brand:hover {
    color: var(--pink);
}

@media (prefers-reduced-motion: reduce) {
    body,
    .site-header,
    .site-footer,
    .builder-panel,
    .preview-panel,
    .choice-card,
    .module-option,
    .stage-card,
    input,
    textarea,
    select,
    button {
        transition: none !important;
    }
}

/* STAGE 5.5 — finale hazırlık ve genel kalite turu */
body {
    min-height: 100vh;
    background-attachment: fixed;
}

.site-header {
    transition: background-color .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.site-header:hover {
    box-shadow: 0 12px 32px rgba(78, 48, 61, .06);
}

.brand,
.site-header nav a,
.button,
.feature-grid article,
.hero-card,
.choice-card,
.module-option {
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background-color .25s ease, color .25s ease;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
    color: var(--pink);
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary:hover {
    box-shadow: 0 18px 38px rgba(191,120,146,.32);
}

.button-secondary:hover {
    border-color: rgba(201,134,157,.45);
    box-shadow: 0 10px 24px rgba(91,58,72,.08);
}

.hero-card {
    animation: heroCardFloat 6s ease-in-out infinite;
}

.mini-stop {
    animation: routePulse 3.6s ease-in-out infinite;
}

.stop-two { animation-delay: .45s; }
.stop-three { animation-delay: .9s; }
.stop-four { animation-delay: 1.35s; }

@keyframes heroCardFloat {
    0%,100% { transform: translateY(0) rotate(-.35deg); }
    50% { transform: translateY(-10px) rotate(.35deg); }
}

@keyframes routePulse {
    0%,100% { box-shadow: 0 10px 25px rgba(101,66,79,.12); }
    50% { box-shadow: 0 12px 34px rgba(201,134,157,.24); }
}

.mission-section {
    padding-top: 28px;
    padding-bottom: 36px;
}

.mission-card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0,1fr) auto;
    gap: 34px 54px;
    align-items: center;
    max-width: 1180px;
    margin: 0 auto;
    padding: clamp(30px,5vw,58px);
    overflow: hidden;
    border: 1px solid rgba(183,144,91,.2);
    border-radius: 36px;
    background:
        radial-gradient(circle at 90% 10%, rgba(220,174,193,.23), transparent 30%),
        linear-gradient(135deg, rgba(255,255,255,.94), rgba(250,239,244,.86));
    box-shadow: 0 28px 72px rgba(85,53,66,.11);
}

.mission-card::before {
    content: '';
    position: absolute;
    inset: 10px;
    pointer-events: none;
    border: 1px solid rgba(185,147,85,.12);
    border-radius: 28px;
}

.mission-decoration {
    position: absolute;
    right: 4%;
    top: 8%;
    color: rgba(201,134,157,.12);
    font-family: Georgia, serif;
    font-size: clamp(110px,18vw,230px);
    line-height: 1;
}

.mission-copy {
    position: relative;
    z-index: 1;
    max-width: 760px;
}

.mission-copy h2 {
    margin: 14px 0 18px;
    font-family: Georgia, serif;
    font-size: clamp(34px,5vw,58px);
    font-weight: 400;
    line-height: 1.08;
}

.mission-copy p {
    margin: 0;
    color: var(--muted);
    font-family: Georgia, serif;
    font-size: clamp(16px,2vw,19px);
    line-height: 1.9;
}

.mission-values {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 12px;
    min-width: 210px;
}

.mission-values span {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    border: 1px solid rgba(185,147,85,.18);
    border-radius: 16px;
    background: rgba(255,255,255,.58);
    color: var(--text);
    font-weight: 600;
}

.mission-values b {
    color: var(--gold);
    font-family: Georgia, serif;
    font-weight: 400;
}

.feature-grid article {
    position: relative;
    overflow: hidden;
    min-height: 210px;
}

.feature-grid article::after {
    content: '';
    position: absolute;
    width: 110px;
    height: 110px;
    right: -52px;
    bottom: -52px;
    border-radius: 50%;
    background: rgba(201,134,157,.08);
}

.feature-grid article:hover {
    transform: translateY(-5px);
    border-color: rgba(201,134,157,.28);
    box-shadow: 0 28px 70px rgba(92,59,73,.15);
}

.feature-grid h3 {
    margin: 18px 0 8px;
    font-family: Georgia, serif;
    font-size: 24px;
    font-weight: 400;
}

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .75s ease, transform .75s ease;
}

.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

html[data-ui-theme="dark"] .mission-card {
    border-color: rgba(223,189,115,.16);
    background:
        radial-gradient(circle at 90% 10%, rgba(128,49,91,.24), transparent 32%),
        linear-gradient(135deg, rgba(27,30,44,.96), rgba(20,22,33,.92));
    box-shadow: 0 30px 80px rgba(0,0,0,.3);
}

html[data-ui-theme="dark"] .mission-card::before {
    border-color: rgba(223,189,115,.1);
}

html[data-ui-theme="dark"] .mission-values span {
    background: rgba(255,255,255,.035);
    border-color: rgba(223,189,115,.15);
}

html[data-ui-theme="dark"] .feature-grid article {
    background: rgba(24,27,40,.9);
    border-color: rgba(239,218,229,.1);
}

html[data-ui-theme="dark"] .button-secondary {
    background: rgba(255,255,255,.04);
    color: var(--text);
}

html[data-ui-theme="dark"] .hero-card {
    background: rgba(27,30,44,.76);
    border-color: rgba(255,255,255,.08);
}

html[data-ui-theme="dark"] .mini-stop {
    background: #242838;
    border-color: rgba(220,157,181,.24);
}

@media (max-width: 820px) {
    .mission-card {
        grid-template-columns: 1fr;
    }

    .mission-values {
        grid-template-columns: repeat(3,1fr);
        min-width: 0;
    }

    .mission-values span {
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 620px) {
    .mission-values {
        grid-template-columns: 1fr;
    }

    .mission-card {
        border-radius: 28px;
    }

    .hero-card {
        animation-duration: 8s;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-card,
    .mini-stop {
        animation: none !important;
    }

    .reveal-on-scroll {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* FINAL A5 — loading / empty / error states + son light/dark polish */
[hidden] {
    display: none !important;
}

.app-state-card {
    width: min(680px, calc(100% - 36px));
    margin: 56px auto;
    padding: clamp(28px, 5vw, 48px);
    text-align: center;
    border: 1px solid var(--border);
    border-radius: 30px;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    color: var(--text);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.app-state-card h1,
.app-state-card h2 {
    margin: 14px 0 10px;
    font-family: Georgia, serif;
    font-weight: 500;
    line-height: 1.08;
}

.app-state-card h1 { font-size: clamp(34px, 5vw, 54px); }
.app-state-card h2 { font-size: clamp(28px, 4vw, 40px); }

.app-state-card p {
    max-width: 520px;
    margin: 0 auto;
    color: var(--muted);
    line-height: 1.7;
}

.app-state-spinner {
    width: 46px;
    height: 46px;
    display: block;
    margin: 0 auto 16px;
    border: 2px solid color-mix(in srgb, var(--pink) 20%, transparent);
    border-top-color: var(--pink);
    border-radius: 50%;
    animation: appStateSpin .85s linear infinite;
}

.app-state-symbol {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    margin: 0 auto 10px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--warning) 13%, transparent);
    color: var(--warning);
    font: 700 24px/1 Georgia, serif;
}

.app-state-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
}

.app-state-card--error {
    border-color: color-mix(in srgb, var(--warning) 28%, var(--border));
}

.button:disabled,
button:disabled,
[aria-disabled="true"] {
    cursor: not-allowed;
}

.button:disabled,
button:disabled {
    opacity: .56;
    transform: none !important;
    box-shadow: none !important;
}

.button:focus-visible,
.toolbar-button:focus-visible,
.autoplay-button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 3px;
}

::selection {
    background: color-mix(in srgb, var(--pink) 28%, transparent);
    color: var(--text);
}

html[data-ui-theme="dark"] .app-state-card {
    background: color-mix(in srgb, var(--surface) 95%, transparent);
    border-color: var(--border);
    box-shadow: 0 26px 80px rgba(0,0,0,.34);
}

html[data-ui-theme="dark"] .button-secondary {
    background: var(--surface-strong);
    color: var(--text);
    border-color: var(--border);
}

html[data-ui-theme="dark"] input,
html[data-ui-theme="dark"] textarea,
html[data-ui-theme="dark"] select {
    background: var(--input-bg);
    color: var(--text);
    caret-color: var(--pink);
}

html[data-ui-theme="dark"] input:disabled,
html[data-ui-theme="dark"] textarea:disabled,
html[data-ui-theme="dark"] select:disabled {
    background: color-mix(in srgb, var(--surface) 72%, #000);
    color: var(--muted);
}

.page-error-card {
    margin-top: 8vh;
}

@keyframes appStateSpin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .app-state-spinner {
        animation-duration: 1.8s;
    }
}

@media (max-width: 620px) {
    .app-state-card {
        width: calc(100% - 28px);
        margin: 34px auto;
        border-radius: 24px;
    }

    .app-state-actions {
        display: grid;
    }

    .app-state-actions .button {
        width: 100%;
    }
}

/* FINAL A6.1 — iOS / Android safe-area compatibility */
@supports (padding: env(safe-area-inset-top)) {
    .site-header {
        padding-top: calc(18px + env(safe-area-inset-top));
        padding-left: max(clamp(18px,5vw,64px), env(safe-area-inset-left));
        padding-right: max(clamp(18px,5vw,64px), env(safe-area-inset-right));
    }

    .site-footer {
        padding-bottom: calc(28px + env(safe-area-inset-bottom));
        padding-left: max(18px, env(safe-area-inset-left));
        padding-right: max(18px, env(safe-area-inset-right));
    }
}


/* FINAL B6 — hesap navigasyonu */
.site-header nav .nav-logout-form {
    display: inline-flex;
    margin: 0;
}

.site-header nav .nav-logout-button {
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font: inherit;
}

.site-header nav .nav-account-link,
.site-header nav .nav-logout-button {
    transition: color .2s ease, opacity .2s ease;
}

.site-header nav .nav-account-link:hover,
.site-header nav .nav-logout-button:hover {
    color: var(--pink);
}

@media(max-width:640px) {
    .site-header nav .nav-logout-form,
    .site-header nav .nav-account-link {
        display: none;
    }
}

/* AskAtlasiBase — responsive header/navigation hardening */
.site-header {
    -webkit-backdrop-filter: blur(16px);
}

.site-nav {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
}

.site-nav-menu {
    display: flex;
    align-items: center;
    gap: 18px;
}

.site-nav-toggle {
    display: none;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    color: var(--text);
    cursor: pointer;
    line-height: 1;
}

.site-nav-toggle span {
    font-size: 20px;
    transform: translateY(-1px);
}

@media (max-width: 640px) {
    body {
        /* iOS Safari and some Android WebViews can stutter with fixed backgrounds. */
        background-attachment: scroll;
    }

    .site-header {
        gap: 12px;
        padding-top: 12px;
        padding-bottom: 12px;
    }

    .brand {
        min-width: 0;
        font-size: 21px;
        white-space: nowrap;
    }

    .site-nav {
        margin-left: auto;
        gap: 8px;
    }

    .site-nav-toggle {
        display: grid;
        flex: 0 0 auto;
    }

    .site-nav-menu {
        position: absolute;
        top: calc(100% + 12px);
        right: 0;
        z-index: 50;
        display: none;
        width: min(290px, calc(100vw - 28px));
        max-height: min(68vh, 520px);
        padding: 10px;
        overflow-y: auto;
        overscroll-behavior: contain;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        border: 1px solid var(--border);
        border-radius: 18px;
        background: color-mix(in srgb, var(--surface-strong) 96%, transparent);
        box-shadow: 0 22px 60px rgba(36, 22, 43, .18);
        -webkit-backdrop-filter: blur(18px);
        backdrop-filter: blur(18px);
    }

    .site-nav-menu.is-open {
        display: flex;
    }

    /* Override the legacy mobile rule that hid all account/header links. */
    .site-header .site-nav-menu > a,
    .site-header nav .site-nav-menu .nav-account-link {
        display: flex !important;
        align-items: center;
        min-height: 44px;
        padding: 9px 12px;
        border-radius: 12px;
        font-size: 14px;
    }

    .site-header nav .site-nav-menu .nav-logout-form {
        display: block !important;
        width: 100%;
    }

    .site-header nav .site-nav-menu .nav-logout-button {
        display: flex;
        align-items: center;
        width: 100%;
        min-height: 44px;
        padding: 9px 12px;
        border-radius: 12px;
        text-align: left;
        font-size: 14px;
    }

    .site-header nav .site-nav-menu > a:hover,
    .site-header nav .site-nav-menu > a:focus-visible,
    .site-header nav .site-nav-menu .nav-logout-button:hover,
    .site-header nav .site-nav-menu .nav-logout-button:focus-visible {
        background: color-mix(in srgb, var(--pink) 9%, var(--surface));
    }

    .ui-theme-toggle {
        flex: 0 0 auto;
        width: 46px;
        min-width: 46px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-nav-menu,
    .site-nav-toggle {
        transition: none !important;
    }
}


/* FINAL C pre-UAT: desktop navigation stays minimal but each action reads as a distinct control. */
@media (min-width: 641px) {
    .site-nav-menu { gap: 6px; }
    .site-header .site-nav-menu > a,
    .site-header nav .site-nav-menu .nav-logout-button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 38px;
        padding: 7px 11px;
        border: 1px solid transparent;
        border-radius: 999px;
        background: transparent;
        color: var(--muted);
        font-size: 14px;
        font-weight: 650;
        line-height: 1;
        white-space: nowrap;
        transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
    }
    .site-header nav .site-nav-menu .nav-logout-form { display: flex; align-items: center; }
    .site-header .site-nav-menu > a:hover,
    .site-header .site-nav-menu > a:focus-visible,
    .site-header nav .site-nav-menu .nav-logout-button:hover,
    .site-header nav .site-nav-menu .nav-logout-button:focus-visible {
        background: color-mix(in srgb, var(--pink) 8%, var(--surface));
        border-color: color-mix(in srgb, var(--pink) 22%, var(--border));
        color: var(--text);
        transform: translateY(-1px);
    }
    .site-header .site-nav-menu .nav-account-link,
    .site-header .site-nav-menu .nav-admin-link {
        background: color-mix(in srgb, var(--pink) 7%, var(--surface));
        border-color: color-mix(in srgb, var(--pink) 18%, var(--border));
        color: var(--text);
    }
    .site-header .site-nav-menu .nav-admin-link {
        background: color-mix(in srgb, var(--gold) 9%, var(--surface));
        border-color: color-mix(in srgb, var(--gold) 24%, var(--border));
    }
}