/* =========================================================
   MyStudev — Lumi Design System (lihat branding.md)
   ========================================================= */

:root {
    /* Brand */
    --primary: #AD0000;
    --primary-dark: #8A0000;
    --primary-darker: #660000;
    --primary-container: #FFE9EB;
    --primary-lighter: #FFF5F5;
    --on-primary-container: #8A0000;
    --accent-coral: #FF6B6B;
    --accent-rose: #FFB4B4;

    /* Neutral */
    --neutral-50: #FAFAFA;
    --neutral-100: #F5F5F5;
    --neutral-200: #E5E5E5;
    --neutral-300: #D4D4D4;
    --neutral-400: #A3A3A3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-900: #171717;

    /* Status (selalu berpasangan) */
    --success: #10B981; --success-container: #D1FAE5; --on-success-container: #065F46;
    --warning: #F59E0B; --warning-container: #FEF3C7; --on-warning-container: #92400E;
    --info: #3B82F6;    --info-container: #DBEAFE;    --on-info-container: #1E40AF;
    --danger: #EF4444;  --danger-container: #FFF1F2;  --on-danger-container: #9F1239;
    --danger-border: #FECDD3;

    /* Semantic surface (dipetakan ulang di dark mode) */
    --bg: var(--neutral-50);
    --surface-1: #FFFFFF;
    --surface-2: var(--neutral-100);
    --input-bg: var(--neutral-50);
    --border: var(--neutral-200);
    --border-strong: var(--neutral-300);
    --text: var(--neutral-900);
    --text-body: var(--neutral-700);
    --text-muted: var(--neutral-500);
    --placeholder: var(--neutral-400);
    --link: var(--primary);
    --studio-bg: linear-gradient(180deg, #FFFBFA 0%, #FFF6F6 45%, #FCFBFF 100%);

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;

    /* Radius */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 999px;

    /* Elevation */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);
    --shadow-card-hover: 0 20px 40px -16px rgba(23, 23, 23, .18);
    --shadow-glass: 0 4px 14px -6px rgba(23, 17, 17, .12), inset 0 1px 0 rgba(255, 255, 255, .9);
    --shadow-glass-hover: 0 8px 20px -8px rgba(173, 0, 0, .28), inset 0 1px 0 rgba(255, 255, 255, .9);
    --shadow-primary: 0 10px 26px rgba(173, 0, 0, .30), inset 0 1px 0 rgba(255, 255, 255, .25);
    --shadow-primary-hover: 0 14px 32px rgba(173, 0, 0, .38), inset 0 1px 0 rgba(255, 255, 255, .30);

    /* Glass */
    --glass-bg: rgba(255, 255, 255, .75);
    --glass-border: rgba(255, 255, 255, .6);
    --glass-blur: blur(20px) saturate(180%);

    /* Motion */
    --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-entrance: cubic-bezier(0.2, 0.8, 0.2, 1);
    --transition: all .3s var(--ease-standard);
}

:root[data-theme="dark"] {
    --bg: #121212;
    --surface-1: #1E1E1E;
    --surface-2: #262626;
    --input-bg: #262626;
    --border: #333333;
    --border-strong: #444444;
    --text: #F1F1F1;
    --text-body: #D4D4D4;
    --text-muted: #ABABAB;
    --placeholder: #7A7A7A;
    --link: #FF8A8A;
    --studio-bg: linear-gradient(180deg, #161212 0%, #121212 60%);

    --primary-container: rgba(173, 0, 0, .28);
    --on-primary-container: #FFB4B4;
    --success-container: rgba(16, 185, 129, .15); --on-success-container: #6EE7B7;
    --warning-container: rgba(245, 158, 11, .15); --on-warning-container: #FCD34D;
    --info-container: rgba(59, 130, 246, .15);    --on-info-container: #93C5FD;
    --danger-container: rgba(239, 68, 68, .14);   --on-danger-container: #FDA4AF;
    --danger-border: rgba(239, 68, 68, .35);

    --glass-bg: rgba(30, 30, 30, .78);
    --glass-border: rgba(255, 255, 255, .08);
    --shadow-glass: 0 10px 30px rgba(0, 0, 0, .4), inset 0 1px 0 rgba(255, 255, 255, .06);
    --shadow-glass-hover: 0 10px 30px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .08);
    --shadow-card-hover: 0 20px 40px -16px rgba(0, 0, 0, .6);
    color-scheme: dark;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--text); margin: 0; line-height: 1.25; }
p { margin: 0; }
a { color: var(--link); }
img { max-width: 100%; display: block; }
svg.lucide { flex-shrink: 0; }

:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--primary-container); border-radius: var(--radius-sm); }

.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;
}

.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 768px) { .container { padding: 0 1.5rem; } }

.text-muted { color: var(--text-muted); }
.mono { font-family: var(--font-mono); letter-spacing: .02em; }

/* ---------- Brand ---------- */
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--text); }
.brand img { width: 34px; height: 34px; }
.brand-name { font: 700 1.25rem/1 var(--font-heading); letter-spacing: -.02em; }
.brand-name span { color: var(--primary); }
:root[data-theme="dark"] .brand-name span { color: var(--link); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    font: 600 .95rem/1 var(--font-heading);
    padding: .8rem 1.5rem; min-height: 44px;
    border-radius: var(--radius-full); border: none; cursor: pointer; text-decoration: none;
    transition: transform .2s var(--ease-spring), box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:active { transform: scale(.96); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .65; cursor: wait; transform: none; }
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: var(--shadow-primary); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-primary-hover); }
.btn-tonal { background: var(--primary-container); color: var(--on-primary-container); }
.btn-tonal:hover { transform: translateY(-1px); }
.btn-secondary { background: var(--surface-2); color: var(--text-body); }
.btn-secondary:hover { background: var(--border); }
.btn-outline-neutral { background: var(--surface-1); color: var(--text); border: 1.5px solid var(--border); }
.btn-outline-neutral:hover { border-color: var(--border-strong); background: var(--surface-2); transform: translateY(-1px); }
.btn-danger-outline { background: var(--surface-1); border: 1.5px solid var(--danger); color: var(--on-danger-container); }
.btn-danger-outline:hover { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-muted); padding-left: .5rem; padding-right: .5rem; }
.btn-ghost:hover { color: var(--link); }
.btn-block { width: 100%; }
.btn-lg { min-height: 52px; font-size: 1rem; }

.icon-btn {
    width: 40px; height: 40px; display: inline-grid; place-items: center;
    border-radius: 50%; border: 0; cursor: pointer;
    background: var(--surface-2); color: var(--text-body); transition: var(--transition);
}
.icon-btn:hover { background: var(--primary-container); color: var(--on-primary-container); }
.icon-btn svg { width: 18px; height: 18px; }

.spinner {
    width: 18px; height: 18px; border-radius: 50%;
    border: 2.5px solid rgba(255, 255, 255, .4); border-top-color: #fff;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Badge ---------- */
.badge {
    display: inline-flex; align-items: center; gap: .35rem; padding: .3rem .75rem;
    border-radius: var(--radius-full); font: 700 .75rem/1.2 var(--font-body);
    background: var(--primary-container); color: var(--on-primary-container); white-space: nowrap;
}
.badge svg { width: 13px; height: 13px; }
.badge--success { background: var(--success-container); color: var(--on-success-container); }
.badge--warning { background: var(--warning-container); color: var(--on-warning-container); }
.badge--neutral { background: var(--surface-2); color: var(--text-muted); }
.eyebrow { text-transform: uppercase; letter-spacing: .6px; font: 700 .72rem/1 var(--font-heading); }

/* ---------- Icon chip ---------- */
.icon-chip {
    width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary-lighter), var(--primary-container)); color: var(--primary);
}
:root[data-theme="dark"] .icon-chip { background: var(--primary-container); color: var(--on-primary-container); }
.icon-chip svg { width: 22px; height: 22px; }
.icon-chip--hero { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 10px 25px -5px rgba(173, 0, 0, .4); }
.icon-chip--lg { width: 56px; height: 56px; border-radius: 50%; }
.icon-chip--lg svg { width: 26px; height: 26px; }
.icon-chip--success { background: var(--success-container); color: var(--on-success-container); }
.icon-chip--warning { background: var(--warning-container); color: var(--on-warning-container); }
.icon-chip--danger { background: var(--danger-container); color: var(--on-danger-container); }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 1.1rem; }
.form-label { display: block; margin-bottom: .4rem; font-weight: 600; font-size: .85rem; color: var(--text-body); }
.form-label .optional { font-weight: 400; color: var(--text-muted); }
.form-row-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .4rem; }
.form-row-between .form-label { margin-bottom: 0; }
.form-hint { margin-top: .35rem; font-size: .8rem; color: var(--text-muted); }

.input-shell {
    display: flex; align-items: center; gap: .6rem; min-height: 50px; padding: 0 .9rem 0 1rem;
    border: 1.5px solid var(--border); background: var(--input-bg);
    border-radius: 16px; color: var(--placeholder); transition: var(--transition);
}
.input-shell svg { width: 18px; height: 18px; }
.input-shell input {
    flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
    font: 400 1rem var(--font-body); color: var(--text); padding: .75rem 0;
}
.input-shell input::placeholder { color: var(--placeholder); }
.input-shell input:focus-visible { box-shadow: none; }
.input-shell input[readonly] { color: var(--text-muted); }
.input-shell:focus-within { border-color: var(--primary); background: var(--surface-1); box-shadow: 0 0 0 3px var(--primary-container); color: var(--primary); }
:root[data-theme="dark"] .input-shell:focus-within { color: var(--link); }
.input-shell.is-invalid { border-color: var(--danger); box-shadow: 0 0 0 3px var(--danger-container); }
.input-shell .toggle-password {
    border: 0; background: transparent; cursor: pointer; color: var(--text-muted);
    width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%;
}
.input-shell .toggle-password:hover { color: var(--text); background: var(--surface-2); }
.field-error { display: flex; align-items: center; gap: .35rem; margin-top: .35rem; font-size: .8rem; color: var(--on-danger-container); }
.field-error svg { width: 14px; height: 14px; }

.strength { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: .5rem; }
.strength span { height: 4px; border-radius: var(--radius-full); background: var(--border); transition: background .3s ease; }
.strength[data-level="1"] span:nth-child(-n+1) { background: var(--danger); }
.strength[data-level="2"] span:nth-child(-n+2) { background: var(--warning); }
.strength[data-level="3"] span:nth-child(-n+3) { background: var(--success); }
.strength[data-level="4"] span { background: var(--success); }

.checkbox { display: inline-flex; align-items: center; gap: .5rem; font-size: .9rem; color: var(--text-body); cursor: pointer; }
.checkbox input { width: 18px; height: 18px; accent-color: var(--primary); }

.divider {
    display: flex; align-items: center; gap: .9rem; margin: 1.4rem 0;
    color: var(--text-muted); font: 700 .72rem/1 var(--font-heading); text-transform: uppercase; letter-spacing: .6px;
}
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.link { color: var(--link); font-weight: 600; text-decoration: none; }
.link:hover { text-decoration: underline; }
.link-sm { font-size: .85rem; }
.inline-form { display: inline; }
.link-button { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; font-weight: 700; color: inherit; text-decoration: underline; }

/* ---------- Alerts ---------- */
.alert {
    display: flex; gap: .75rem; align-items: flex-start; padding: .9rem 1rem; margin-bottom: 1.25rem;
    border-radius: 16px; font-size: .9rem; line-height: 1.5;
}
.alert svg { width: 20px; height: 20px; margin-top: 1px; }
.alert-error { background: var(--danger-container); border: 1px solid var(--danger-border); color: var(--on-danger-container); animation: shake .4s ease-in-out; }
.alert-success { background: var(--success-container); color: var(--on-success-container); }
.alert-info { background: var(--info-container); color: var(--on-info-container); }
.alert-warning { background: var(--warning-container); color: var(--on-warning-container); }
.alert[hidden] { display: none; }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }

/* ---------- Cards ---------- */
.card {
    background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm); overflow: hidden;
}
.card-header { display: flex; gap: 1rem; align-items: center; padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border); }
.card-header h2 { font-size: 1.05rem; font-weight: 700; }
.card-header p { font-size: .85rem; color: var(--text-muted); }
.card-body { padding: 1.5rem; }
.card-footer {
    display: flex; justify-content: flex-end; gap: .75rem; flex-wrap: wrap;
    padding: 1rem 1.5rem; background: var(--bg); border-top: 1px solid var(--border);
}
@media (max-width: 575.98px) {
    .card-header, .card-body { padding: 1.1rem; }
    .card-footer { padding: 1rem 1.1rem; }
    .card-footer .btn { width: 100%; }
}

/* ---------- Avatar ---------- */
.avatar {
    width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; overflow: hidden;
    display: grid; place-items: center; color: #fff;
    font: 700 .95rem/1 var(--font-heading);
    background: linear-gradient(135deg, var(--primary), var(--accent-coral));
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar--sm { width: 32px; height: 32px; font-size: .8rem; }
.avatar--lg { width: 72px; height: 72px; font-size: 1.5rem; }
.avatar--xl { width: 96px; height: 96px; font-size: 2rem; }

/* ---------- Decorative blobs ---------- */
.bg-blobs { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .22; }
.blob-1 { width: 420px; height: 420px; top: -220px; left: -180px; background: radial-gradient(circle, var(--accent-rose), transparent 70%); animation: float-1 16s ease-in-out infinite; }
.blob-2 { width: 380px; height: 380px; top: 120px; right: -160px; background: radial-gradient(circle, #DBEAFE, transparent 70%); animation: float-2 20s ease-in-out infinite; }
.blob-3 { width: 320px; height: 320px; bottom: -140px; left: 30%; background: radial-gradient(circle, #FEF3C7, transparent 70%); animation: float-1 18s ease-in-out infinite reverse; }
:root[data-theme="dark"] .blob { opacity: .08; }
@keyframes float-1 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(30px, 40px) scale(1.08); } }
@keyframes float-2 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-40px, 30px) scale(1.05); } }

/* =========================================================
   AUTH (single centered card)
   ========================================================= */
.auth {
    position: relative; overflow: hidden; min-height: 100vh; width: 100%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 4rem 1.5rem 1.5rem;
    background: linear-gradient(180deg, var(--surface-1) 0%, #FFF6F6 100%);
}
:root[data-theme="dark"] .auth { background: var(--studio-bg); }
.auth .bg-blobs .blob-1 { left: auto; right: -160px; top: -200px; }
.auth .bg-blobs .blob-2 { right: auto; left: -180px; top: auto; bottom: -160px; }

.auth-topbar { position: absolute; top: 1rem; right: 1rem; z-index: 2; }

.auth-card {
    position: relative; z-index: 1; width: 100%; max-width: 420px;
    padding: 2.25rem 2rem; border-radius: var(--radius-xl);
    background: var(--glass-bg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border); box-shadow: 0 30px 70px -30px rgba(23, 23, 23, .18);
    animation: enter .6s var(--ease-entrance) both;
}
.auth-card--center { text-align: center; }
.auth-card--center .icon-chip { margin: 0 auto 1.25rem; }
.auth-card--center .actions { display: grid; gap: .75rem; margin-top: 1.5rem; }

.auth-brand { display: flex; justify-content: center; margin-bottom: 1.75rem; }

.form-header { margin-bottom: 1.75rem; text-align: center; }
.form-header h1 { font-size: clamp(1.5rem, 4vw, 1.85rem); font-weight: 800; letter-spacing: -.02em; margin-bottom: .4rem; }
.form-header p { color: var(--text-muted); font-size: .95rem; }

.client-context {
    display: flex; align-items: center; gap: .7rem; padding: .65rem .8rem; margin-bottom: 1.5rem;
    border-radius: var(--radius-md); background: var(--primary-container); color: var(--on-primary-container);
    font-size: .85rem; line-height: 1.35;
}
.client-context .icon-chip { width: 34px; height: 34px; border-radius: 10px; background: var(--surface-1); }
.client-context .icon-chip svg { width: 18px; height: 18px; }
.client-context strong { font-family: var(--font-heading); }

.btn-google { gap: .65rem; }
.btn-google svg { width: 18px; height: 18px; }

.auth-switch { margin-top: 1.5rem; text-align: center; font-size: .9rem; color: var(--text-muted); }
.auth-footer { position: relative; z-index: 1; margin-top: 2rem; font-size: .8rem; color: var(--text-muted); text-align: center; }

@keyframes enter { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 575.98px) {
    .auth { padding: 3.5rem 1rem 1.25rem; }
    .auth-card { padding: 1.75rem 1.25rem; border-radius: 24px; }
}

/* =========================================================
   APP (Account Center)
   ========================================================= */
.app-nav {
    position: sticky; top: 0; z-index: 30;
    background: var(--glass-bg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border);
}
.app-nav .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; }
.app-nav-actions { display: flex; align-items: center; gap: .6rem; }

.user-menu { position: relative; }
.user-menu > summary {
    list-style: none; cursor: pointer; display: flex; align-items: center; gap: .55rem;
    padding: 4px 12px 4px 4px; border-radius: var(--radius-full);
    background: var(--glass-bg); box-shadow: var(--shadow-glass); border: 1px solid var(--glass-border);
    transition: transform .25s var(--ease-spring), box-shadow .25s ease;
}
.user-menu > summary::-webkit-details-marker { display: none; }
.user-menu > summary:hover { transform: translateY(-1px); box-shadow: var(--shadow-glass-hover); }
.user-menu > summary .name { font: 600 .9rem/1 var(--font-heading); max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-menu > summary .chevron { width: 16px; height: 16px; color: var(--text-muted); transition: transform .35s var(--ease-spring); }
.user-menu[open] > summary .chevron { transform: rotate(180deg); }

.menu-panel {
    position: absolute; right: 0; top: calc(100% + .6rem); width: 290px; z-index: 40;
    background: var(--surface-1); border: 1px solid var(--border); border-radius: 16px;
    box-shadow: var(--shadow-xl); overflow: hidden; animation: fadeInUp .25s ease both;
}
.menu-head { display: flex; align-items: center; gap: .75rem; padding: 1rem; background: linear-gradient(135deg, var(--primary-lighter), var(--primary-container)); }
:root[data-theme="dark"] .menu-head { background: var(--primary-container); }
.menu-head strong { display: block; font: 600 .95rem/1.3 var(--font-heading); }
.menu-head small { display: block; font-size: .8rem; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 190px; }
.menu-list { list-style: none; margin: 0; padding: .4rem; }
.menu-list a, .menu-list button {
    width: 100%; display: flex; align-items: center; gap: .7rem; padding: .7rem .75rem;
    border: 0; background: transparent; border-radius: var(--radius-sm); cursor: pointer;
    font: 500 .9rem var(--font-body); color: var(--text-body); text-decoration: none; text-align: left;
}
.menu-list a:hover, .menu-list button:hover { background: var(--surface-2); color: var(--text); }
.menu-list svg { width: 18px; height: 18px; }
.menu-list .danger { color: var(--on-danger-container); }
.menu-list .danger:hover { background: var(--danger-container); color: var(--on-danger-container); }
.menu-sep { height: 1px; background: var(--border); margin: .3rem .4rem; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 575.98px) {
    .user-menu > summary .name { display: none; }
    .user-menu > summary { padding: 4px 8px 4px 4px; }
    .menu-panel { position: fixed; left: 0; right: 0; top: auto; bottom: 0; width: auto; border-radius: 24px 24px 0 0; animation: sheetUp .3s var(--ease-standard) both; }
    .menu-panel::before { content: ''; display: block; width: 40px; height: 4px; margin: .6rem auto 0; border-radius: var(--radius-full); background: var(--border-strong); }
    .menu-list { padding-bottom: 1rem; }
}
@keyframes sheetUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

.studio { flex: 1; position: relative; overflow: hidden; background: var(--studio-bg); padding: 2rem 0 4rem; }
.studio-shell { position: relative; z-index: 1; }

.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; animation: enter .6s var(--ease-entrance) both; }
.page-header .eyebrow { color: var(--text-muted); display: block; margin-bottom: .5rem; }
.page-header h1 { font-size: clamp(1.4rem, 4vw, 1.9rem); font-weight: 700; letter-spacing: -.02em; }
.page-header p { margin-top: .35rem; color: var(--text-muted); max-width: 560px; }

.tabs {
    display: inline-flex; gap: 4px; padding: 4px; margin-bottom: 1.75rem; max-width: 100%; overflow-x: auto;
    border-radius: var(--radius-full); background: var(--surface-2); scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs a {
    display: inline-flex; align-items: center; gap: .45rem; padding: .55rem 1rem; min-height: 40px; white-space: nowrap;
    border-radius: var(--radius-full); text-decoration: none; color: var(--text-muted); font: 600 .88rem/1 var(--font-heading);
    transition: var(--transition);
}
.tabs a svg { width: 16px; height: 16px; }
.tabs a:hover { color: var(--text); }
.tabs a[aria-current="page"] { background: var(--surface-1); color: var(--text); box-shadow: var(--shadow-sm); }

.section { margin-top: 2.25rem; animation: enter .6s var(--ease-entrance) both; }
.section:nth-of-type(2) { animation-delay: .1s; }
.section:nth-of-type(3) { animation-delay: .2s; }
.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.section-title h2 { font-size: 1.15rem; font-weight: 700; }
.section-title p { font-size: .88rem; color: var(--text-muted); }

/* Ringkasan akun */
.account-summary { display: flex; align-items: center; gap: 1.25rem; padding: 1.5rem; flex-wrap: wrap; }
.account-summary .identity { flex: 1; min-width: 220px; }
.account-summary h2 { font-size: 1.2rem; font-weight: 700; }
.account-summary .email-line { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; margin-top: .25rem; color: var(--text-muted); font-size: .92rem; word-break: break-all; }
.studev-id {
    display: flex; align-items: center; gap: .75rem; padding: .6rem .6rem .6rem 1rem;
    border-radius: var(--radius-md); background: var(--bg); border: 1px dashed var(--border-strong);
}
.studev-id .label { display: block; color: var(--text-muted); font: 700 .68rem/1 var(--font-heading); text-transform: uppercase; letter-spacing: .6px; margin-bottom: .3rem; }
.studev-id .value { font: 600 1rem/1 var(--font-mono); color: var(--text); }

/* App launcher */
.app-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.app-card {
    position: relative; display: flex; flex-direction: column; gap: 1rem; padding: 1.4rem;
    background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg);
    text-decoration: none; color: inherit; box-shadow: var(--shadow-sm); transition: var(--transition);
}
.app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: var(--primary-container); }
.app-card:focus-visible { border-radius: var(--radius-lg); }
.app-card .top { display: flex; align-items: center; justify-content: space-between; }
.app-card .open-icon { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-2); color: var(--text-muted); transition: var(--transition); }
.app-card .open-icon svg { width: 16px; height: 16px; }
.app-card:hover .open-icon { background: var(--primary); color: #fff; }
.app-card h3 { font-size: 1.1rem; font-weight: 700; }
.app-card p { font-size: .9rem; color: var(--text-muted); }
.app-card .domain { margin-top: auto; font-size: .8rem; color: var(--text-muted); font-family: var(--font-mono); }

/* Link kartu pengaturan */
.settings-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.settings-link {
    display: flex; align-items: center; gap: 1rem; padding: 1.1rem 1.25rem;
    background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md);
    text-decoration: none; color: inherit; transition: var(--transition);
}
.settings-link:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.settings-link .text { flex: 1; }
.settings-link strong { display: block; font: 600 .98rem/1.3 var(--font-heading); }
.settings-link small { color: var(--text-muted); font-size: .85rem; }
.settings-link .chev { width: 18px; height: 18px; color: var(--text-muted); }

/* Form grid & rows */
.form-grid { display: grid; gap: 0 1.25rem; grid-template-columns: 1fr 1fr; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 767.98px) { .form-grid { grid-template-columns: 1fr; } }

.photo-row { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.photo-row .photo-actions { display: flex; flex-direction: column; gap: .5rem; }
.photo-row .photo-actions .buttons { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.file-input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.file-input:focus-visible + label { box-shadow: 0 0 0 4px var(--primary-container); }

.stack { display: grid; gap: 1.5rem; max-width: 760px; }

.method-row { display: flex; align-items: center; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.method-row:first-child { padding-top: 0; }
.method-row:last-child { border-bottom: 0; padding-bottom: 0; }
.method-row .text { flex: 1; min-width: 180px; }
.method-row strong { display: block; font: 600 .95rem/1.3 var(--font-heading); }
.method-row small { color: var(--text-muted); font-size: .85rem; }

.note { display: flex; gap: .65rem; align-items: flex-start; font-size: .85rem; color: var(--text-muted); }
.note svg { width: 16px; height: 16px; margin-top: 3px; }

/* Dialog-like card (logout) */
.confirm-card { max-width: 420px; margin: 2rem auto; padding: 2rem 1.75rem; text-align: center; border-radius: 24px; }
.confirm-card .icon-chip { margin: 0 auto 1rem; }
.confirm-card h1 { font-size: 1.3rem; font-weight: 700; margin-bottom: .5rem; }
.confirm-card p { color: var(--text-muted); font-size: .92rem; }
.confirm-card .actions { display: flex; gap: .75rem; justify-content: center; margin-top: 1.5rem; flex-wrap: wrap; }
.confirm-card .actions > * { flex: 1; min-width: 140px; }

.app-footer { border-top: 1px solid var(--border); padding: 1.5rem 0; font-size: .82rem; color: var(--text-muted); text-align: center; background: var(--surface-1); }

/* Toast */
.toast {
    position: fixed; left: 50%; bottom: 2rem; z-index: 60; transform: translate(-50%, 12px); opacity: 0; pointer-events: none;
    padding: .7rem 1.2rem; border-radius: var(--radius-full); background: rgba(23, 23, 23, .92); color: #fff; font-size: .88rem;
    transition: opacity .3s ease, transform .3s var(--ease-standard);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Theme toggle icon swap */
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
}