/* ═══════════════════════════════════════════════════════════════
   app-core.css — shared design system for admin / superadmin /
   login / register. Matches landing.css aesthetic: light premium
   SaaS, Outfit type, indigo accents, soft shadows.
   ═══════════════════════════════════════════════════════════════ */

/* ── Tokens (mirrored from landing.css for brand continuity) ── */
:root {
    /* color */
    --primary:        #4F46E5;
    --primary-hover:  #4338CA;
    --primary-light:  #EEF2FF;
    --primary-ring:   rgba(79, 70, 229, 0.18);
    --secondary:      #3B82F6;

    --bg:             #F8FAFC;
    --surface:        #FFFFFF;
    --surface-2:      #F8FAFC;
    --surface-hover:  #F1F5F9;

    --border:         #E2E8F0;
    --border-strong:  #CBD5E1;

    --text:           #0F172A;
    --text-2:         #334155;
    --muted:          #64748B;
    --muted-2:        #94A3B8;
    --silent:         #CBD5E1;

    --success:        #10B981;
    --success-light:  #D1FAE5;
    --warning:        #F59E0B;
    --warning-light:  #FEF3C7;
    --error:          #EF4444;
    --error-light:    #FEE2E2;
    --info:           #3B82F6;
    --info-light:     #DBEAFE;

    /* radius */
    --radius-xs:      6px;
    --radius-sm:      8px;
    --radius-md:      12px;
    --radius-lg:      16px;
    --radius-xl:      24px;
    --radius-pill:    9999px;

    /* shadow */
    --shadow-xs:      0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm:      0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -1px rgba(15, 23, 42, 0.03);
    --shadow-md:      0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
    --shadow-lg:      0 20px 40px -5px rgba(15, 23, 42, 0.08);
    --shadow-glow:    0 6px 20px rgba(79, 70, 229, 0.28);

    /* type */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Fira Code', ui-monospace, monospace;

    /* motion */
    --ease:           cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out:       cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ── Reset / base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background-color: var(--bg);
    background-image:
        radial-gradient(circle at 10% 0%, rgba(79, 70, 229, 0.045) 0%, transparent 50%),
        radial-gradient(circle at 90% 100%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; transition: color 160ms var(--ease); }
a:hover { color: var(--primary-hover); }

::selection { background: var(--primary-light); color: var(--primary-hover); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--silent); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted-2); }

/* ── Headings ──────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

/* ── Container ─────────────────────────────────────────────── */
.app-shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 28px 28px 60px;
}

/* ── Top bar (shared between admin + superadmin) ───────────── */
.app-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 18px 28px;
}
.app-topbar__brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    text-decoration: none !important;
}
.app-topbar__brand:hover { color: var(--text); }
.app-topbar__brand svg { color: var(--primary); width: 22px; height: 22px; }
.app-topbar__brand-tag {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-left: 4px;
}
.app-topbar__nav {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.9rem;
}
.app-topbar__nav a {
    text-decoration: none;
    font-weight: 600;
    color: var(--muted);
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    transition: color 160ms var(--ease), background 160ms var(--ease);
}
.app-topbar__nav a:hover { color: var(--text); background: var(--surface); }
.app-topbar__nav .name { color: var(--muted); font-weight: 500; padding: 0; background: transparent; }
.app-topbar__nav .name:hover { background: transparent; }
.app-topbar__nav .name strong { color: var(--text); font-weight: 700; margin: 0 2px; }
.app-topbar__nav .is-cta {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-glow);
}
.app-topbar__nav .is-cta:hover {
    background: var(--primary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.36);
}
.app-topbar__nav .is-danger { color: var(--error); }
.app-topbar__nav .is-danger:hover { background: var(--error-light); color: var(--error); }

/* ── Page header ───────────────────────────────────────────── */
.app-page-head {
    margin-bottom: 28px;
}
.app-page-head h1 {
    font-size: clamp(1.6rem, 2.4vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 6px;
    line-height: 1.2;
}
.app-page-head p {
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 400;
    margin: 0;
}

/* ── Card / glass-panel ─────────────────────────────────────── */
.app-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 18px;
    transition: box-shadow 240ms var(--ease);
}
.app-card:hover { box-shadow: var(--shadow-md); }
.app-card--flush { padding: 0; }
.app-card--ghost { background: transparent; box-shadow: none; }

.app-card__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.app-card__head h2,
.app-card__head h3 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}
.app-card__head--bare {
    margin-bottom: 18px;
    padding-bottom: 0;
    border-bottom: 0;
}

/* ── Stat tile ──────────────────────────────────────────────── */
.app-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    box-shadow: var(--shadow-xs);
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}
.app-stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.app-stat__val {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
    letter-spacing: -0.03em;
}
.app-stat__lbl {
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    margin-top: 2px;
}
.app-stat--accent .app-stat__val { color: var(--primary); }
.app-stat--ok     .app-stat__val { color: var(--success); }
.app-stat--warn   .app-stat__val { color: var(--warning); }
.app-stat--bad    .app-stat__val { color: var(--error); }

/* ── Tabs ───────────────────────────────────────────────────── */
.app-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 22px;
    background: var(--surface);
    padding: 6px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    overflow-x: auto;
    box-shadow: var(--shadow-xs);
    width: max-content;
    max-width: 100%;
}
.app-tabs::-webkit-scrollbar { height: 0; }
.app-tab {
    flex: 0 0 auto;
    padding: 8px 18px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--muted);
    border-radius: var(--radius-pill);
    transition: color 160ms var(--ease), background 160ms var(--ease);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 0;
    cursor: pointer;
}
.app-tab:hover { color: var(--text); background: var(--surface-hover); text-decoration: none; }
.app-tab.is-active,
.app-tab.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.28);
}
.app-tab__count {
    font-size: 0.72rem;
    padding: 1px 8px;
    background: var(--surface-hover);
    color: var(--muted);
    border-radius: var(--radius-pill);
    font-weight: 700;
}
.app-tab.is-active .app-tab__count,
.app-tab.active .app-tab__count { background: rgba(255,255,255,0.22); color: #fff; }

/* ── Buttons ────────────────────────────────────────────────── */
.app-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid transparent;
    background: var(--surface);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-pill);
    transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease), transform 160ms var(--ease), box-shadow 160ms var(--ease);
    text-decoration: none;
    line-height: 1.2;
    white-space: nowrap;
}
.app-btn:hover { transform: translateY(-1px); }
.app-btn:active { transform: translateY(0); }
.app-btn:disabled, .app-btn.is-disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.app-btn--sm { padding: 7px 14px; font-size: 0.82rem; }
.app-btn--lg { padding: 13px 26px; font-size: 0.96rem; }
.app-btn--block { display: flex; width: 100%; }

.app-btn--primary {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-glow);
}
.app-btn--primary:hover {
    background: var(--primary-hover);
    color: #fff;
    box-shadow: 0 10px 24px rgba(79, 70, 229, 0.38);
}
.app-btn--outline {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
    box-shadow: var(--shadow-xs);
}
.app-btn--outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}
.app-btn--ghost {
    background: transparent;
    color: var(--muted);
}
.app-btn--ghost:hover { background: var(--surface-hover); color: var(--text); }

.app-btn--ok    { background: var(--success); color: #fff; box-shadow: 0 6px 18px rgba(16, 185, 129, 0.28); }
.app-btn--ok:hover    { background: #0EA371; color: #fff; box-shadow: 0 8px 22px rgba(16, 185, 129, 0.38); }
.app-btn--danger{ background: var(--error);   color: #fff; box-shadow: 0 6px 18px rgba(239, 68, 68, 0.28); }
.app-btn--danger:hover{ background: #DC2626;   color: #fff; box-shadow: 0 8px 22px rgba(239, 68, 68, 0.38); }
.app-btn--warn  { background: var(--warning); color: #fff; box-shadow: 0 6px 18px rgba(245, 158, 11, 0.28); }
.app-btn--warn:hover  { background: #D97706; color: #fff; box-shadow: 0 8px 22px rgba(245, 158, 11, 0.38); }

/* Soft buttons (subtle background) */
.app-btn--soft-danger { background: var(--error-light); color: var(--error); }
.app-btn--soft-danger:hover { background: var(--error); color: #fff; }
.app-btn--soft-ok     { background: var(--success-light); color: var(--success); }
.app-btn--soft-ok:hover     { background: var(--success); color: #fff; }
.app-btn--soft-warn   { background: var(--warning-light); color: #92400E; }
.app-btn--soft-warn:hover   { background: var(--warning); color: #fff; }

/* ── Form inputs ────────────────────────────────────────────── */
.app-input,
.app-select,
.app-textarea {
    width: 100%;
    padding: 11px 14px;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.92rem;
    line-height: 1.4;
    transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
    outline: none;
    box-shadow: var(--shadow-xs);
}
.app-input:focus,
.app-select:focus,
.app-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-ring);
}
.app-input::placeholder,
.app-textarea::placeholder { color: var(--muted-2); }
.app-textarea { resize: vertical; min-height: 88px; }
.app-select {
    appearance: none;
    background-image:
        linear-gradient(45deg, transparent 50%, var(--muted) 50%),
        linear-gradient(135deg, var(--muted) 50%, transparent 50%);
    background-position: calc(100% - 16px) 50%, calc(100% - 12px) 50%;
    background-size: 5px 5px;
    background-repeat: no-repeat;
    padding-right: 32px;
}

.app-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-2);
}
.app-help {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 6px;
    line-height: 1.5;
}
.app-field { margin-bottom: 16px; }
.app-field-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.app-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    font-size: 0.9rem;
    color: var(--text-2);
}
.app-check input { accent-color: var(--primary); width: 16px; height: 16px; }

/* ── Chips ──────────────────────────────────────────────────── */
.app-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1;
    background: var(--surface-hover);
    color: var(--muted);
    border: 1px solid var(--border);
    white-space: nowrap;
}
.app-chip::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--muted);
}
.app-chip--ok    { color: #047857; background: var(--success-light); border-color: rgba(16, 185, 129, 0.3); }
.app-chip--ok::before    { background: var(--success); }
.app-chip--bad   { color: #991B1B; background: var(--error-light);   border-color: rgba(239, 68, 68, 0.3); }
.app-chip--bad::before   { background: var(--error); }
.app-chip--warn  { color: #92400E; background: var(--warning-light); border-color: rgba(245, 158, 11, 0.3); }
.app-chip--warn::before  { background: var(--warning); }
.app-chip--info  { color: #1E40AF; background: var(--info-light);    border-color: rgba(59, 130, 246, 0.3); }
.app-chip--info::before  { background: var(--info); }
.app-chip--neutral { color: var(--primary); background: var(--primary-light); border-color: rgba(79, 70, 229, 0.2); }
.app-chip--neutral::before { background: var(--primary); }

/* ── Table ──────────────────────────────────────────────────── */
.app-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}
.app-table thead th {
    background: var(--surface-2);
    text-align: left;
    padding: 12px 16px;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    white-space: nowrap;
}
.app-table tbody td {
    padding: 13px 16px;
    color: var(--text-2);
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    vertical-align: middle;
}
.app-table tbody tr:last-child td { border-bottom: 0; }
.app-table tbody tr:hover td { background: var(--surface-2); }
.app-table td.is-num,
.app-table th.is-num { text-align: right; font-variant-numeric: tabular-nums; }
.app-table td.is-mono { font-family: var(--font-mono); font-size: 0.84rem; color: var(--text); }

/* ── Modal ──────────────────────────────────────────────────── */
.app-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 60px 20px 20px;
    overflow-y: auto;
}
.app-modal-backdrop.is-active,
.app-modal-backdrop.active { display: flex; }
.app-modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 680px;
    box-shadow: var(--shadow-lg);
    animation: appModalIn 240ms var(--ease);
    overflow: hidden;
}
@keyframes appModalIn {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.app-modal__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
}
.app-modal__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}
.app-modal__close {
    background: var(--surface-hover);
    border: 0;
    color: var(--muted);
    width: 34px;
    height: 34px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    transition: background 160ms var(--ease), color 160ms var(--ease);
}
.app-modal__close:hover { background: var(--error-light); color: var(--error); }
.app-modal__body {
    padding: 22px;
    max-height: 70vh;
    overflow-y: auto;
}
.app-modal__foot {
    padding: 16px 22px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background: var(--surface-2);
}

/* ── Image viewer modal (lightbox) ─────────────────────────── */
.app-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(8px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    padding: 20px;
}
.app-lightbox.is-active,
.app-lightbox.active { display: flex; }
.app-lightbox img {
    max-width: 92%;
    max-height: 90vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

/* ── Code / mono inline ────────────────────────────────────── */
.app-code {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    background: var(--surface-hover);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    line-height: 1.5;
    word-break: break-all;
}
.app-code--block {
    display: block;
    padding: 14px 16px;
    line-height: 1.6;
    white-space: pre;
    overflow-x: auto;
    background: #0F172A;
    color: #E2E8F0;
    border-color: #1E293B;
}

/* ── Notification bar (sticky top toast) ───────────────────── */
.app-notify {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #fff;
    font-weight: 600;
    font-size: 0.92rem;
    text-align: center;
    cursor: pointer;
    z-index: 1200;
    animation: appNotifySlide 240ms var(--ease);
    box-shadow: var(--shadow-md);
}
.app-notify.is-active,
.app-notify.active { display: block; }
@keyframes appNotifySlide {
    from { transform: translateY(-100%); }
    to   { transform: translateY(0); }
}
.app-notify__count {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-pill);
    margin-right: 10px;
    font-weight: 700;
}

/* ── Empty state ───────────────────────────────────────────── */
.app-empty {
    background: var(--surface);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
    padding: 60px 24px;
    text-align: center;
    color: var(--muted);
}
.app-empty p { margin: 0; font-size: 0.95rem; }

/* ── Live indicator ─────────────────────────────────────────── */
.app-live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--muted);
}
.app-live::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    animation: appPulse 1.8s ease-in-out infinite;
}
@keyframes appPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.55; transform: scale(0.92); }
}

/* ── Progress bar ──────────────────────────────────────────── */
.app-bar {
    display: flex;
    align-items: center;
    gap: 10px;
}
.app-bar__track {
    flex: 1;
    height: 8px;
    background: var(--surface-hover);
    border-radius: var(--radius-pill);
    overflow: hidden;
    min-width: 100px;
}
.app-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-hover));
    border-radius: var(--radius-pill);
    transition: width 400ms var(--ease);
}
.app-bar__fill--ok   { background: linear-gradient(90deg, var(--success), #0EA371); }
.app-bar__fill--warn { background: linear-gradient(90deg, var(--warning), #D97706); }
.app-bar__fill--bad  { background: linear-gradient(90deg, var(--error),   #DC2626); }
.app-bar__num {
    font-size: 0.82rem;
    color: var(--muted);
    font-variant-numeric: tabular-nums;
    min-width: 44px;
    text-align: right;
    font-weight: 600;
}

/* ── ASCII-free rule ───────────────────────────────────────── */
.app-rule {
    height: 1px;
    background: var(--border);
    border: 0;
    margin: 20px 0;
}

/* ── Animations: subtle fade-up on load ────────────────────── */
@keyframes appFadeUp {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
.app-fade-up {
    opacity: 0;
    animation: appFadeUp 480ms var(--ease) forwards;
}
.app-delay-1 { animation-delay: 60ms; }
.app-delay-2 { animation-delay: 140ms; }
.app-delay-3 { animation-delay: 220ms; }

/* ── Utility ───────────────────────────────────────────────── */
.app-spread { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; }
.app-row    { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.app-col    { display: flex; flex-direction: column; gap: 10px; }
.app-pull-r { margin-left: auto; }
.app-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.app-mono   { font-family: var(--font-mono); }

/* ── Hamburger button (mobile) ─────────────────────────────── */
.app-hamburger {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
    width: 40px;
    height: 40px;
    padding: 8px;
    position: relative;
    z-index: 1101;
}
.app-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    position: absolute;
    left: 9px;
    transition: top 240ms var(--ease), transform 240ms var(--ease), opacity 160ms var(--ease);
}
.app-hamburger span:nth-child(1) { top: 12px; }
.app-hamburger span:nth-child(2) { top: 19px; }
.app-hamburger span:nth-child(3) { top: 26px; }
.app-hamburger.is-open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.app-hamburger.is-open span:nth-child(2) { opacity: 0; }
.app-hamburger.is-open span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* ── Mobile menu overlay ───────────────────────────────────── */
.app-mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 240ms var(--ease);
}
.app-mobile-menu.is-open {
    opacity: 1;
    pointer-events: all;
}
.app-mobile-menu__inner {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    max-width: 88vw;
    height: 100%;
    background: var(--surface);
    box-shadow: -12px 0 40px rgba(15, 23, 42, 0.12);
    padding: 80px 22px 28px;
    transform: translateX(100%);
    transition: transform 280ms var(--ease);
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
}
.app-mobile-menu.is-open .app-mobile-menu__inner { transform: translateX(0); }

.app-mobile-menu__user {
    padding: 12px 14px;
    background: var(--surface-2);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--muted);
}
.app-mobile-menu__user strong { color: var(--text); display: block; font-size: 0.95rem; margin-top: 2px; font-weight: 700; }

.app-mobile-menu__link {
    display: block;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    transition: background 160ms var(--ease), color 160ms var(--ease);
}
.app-mobile-menu__link:hover {
    background: var(--surface-hover);
    color: var(--primary);
}
.app-mobile-menu__link.is-cta {
    background: var(--primary);
    color: #fff;
    text-align: center;
    margin-top: 6px;
    box-shadow: var(--shadow-glow);
}
.app-mobile-menu__link.is-cta:hover { background: var(--primary-hover); color: #fff; }
.app-mobile-menu__link.is-danger { color: var(--error); }
.app-mobile-menu__link.is-danger:hover { background: var(--error-light); color: var(--error); }

body.app-menu-open { overflow: hidden; }

/* Responsive: show hamburger, hide desktop nav, on small screens */
@media (max-width: 768px) {
    .app-hamburger { display: block; }
    .app-topbar__nav.is-desktop-only,
    .top-bar .user-links.is-desktop-only,
    .top-bar .links.is-desktop-only { display: none; }
}

@media (max-width: 720px) {
    .app-topbar { padding: 14px 18px; flex-wrap: wrap; gap: 10px; }
    .app-topbar__nav { justify-content: flex-end; }
    .app-shell { padding: 18px 18px 40px; }
    .app-card { padding: 18px; border-radius: var(--radius-md); }
    .app-modal__body { padding: 18px; }
    .app-tabs { width: 100%; }
}