/* ============================================
   Akasa Virtual — Crew Roster System
   Stylesheet v2.0 — 2026 Redesign
   DM Sans + JetBrains Mono
   ============================================ */

/* ─── DESIGN TOKENS ─────────────────────────── */
:root {
    --accent: #FF6300;
    --accent-hover: #FF8533;
    --accent-dim: rgba(255, 99, 0, 0.12);
    --accent-glow: rgba(255, 99, 0, 0.25);
    --violet: #7C3AED;
    --violet-dim: rgba(124, 58, 237, 0.10);

    --ok: #34D399;
    --ok-dim: rgba(52, 211, 153, 0.10);
    --ok-border: rgba(52, 211, 153, 0.25);
    --warn: #FBBF24;
    --warn-dim: rgba(251, 191, 36, 0.10);
    --warn-border: rgba(251, 191, 36, 0.25);
    --info: #60A5FA;
    --info-dim: rgba(96, 165, 250, 0.10);
    --info-border: rgba(96, 165, 250, 0.25);
    --danger: #F87171;
    --danger-dim: rgba(248, 113, 113, 0.10);
    --danger-border: rgba(248, 113, 113, 0.25);

    --bg-base: #08080C;
    --bg-surface: rgba(255,255,255,0.025);
    --bg-raised: rgba(255,255,255,0.045);
    --bg-hover: rgba(255,255,255,0.06);
    --bg-input: rgba(255,255,255,0.04);
    --border: rgba(255,255,255,0.07);
    --border-hover: rgba(255,255,255,0.14);
    --border-focus: var(--accent);

    --text-1: #F4F4F5;
    --text-2: rgba(244,244,245,0.65);
    --text-3: rgba(244,244,245,0.38);

    --font: 'DM Sans', system-ui, sans-serif;
    --mono: 'JetBrains Mono', 'Fira Code', monospace;

    --r-xs: 6px;
    --r-sm: 10px;
    --r-md: 14px;
    --r-lg: 18px;
    --r-xl: 24px;

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --dur: 0.25s;
}

/* ─── LIGHT ──────────────────────────────────── */
[data-theme="light"] {
    --bg-base: #F5F5F7;
    --bg-surface: rgba(0,0,0,0.025);
    --bg-raised: rgba(0,0,0,0.04);
    --bg-hover: rgba(0,0,0,0.06);
    --bg-input: rgba(0,0,0,0.035);
    --border: rgba(0,0,0,0.08);
    --border-hover: rgba(0,0,0,0.16);
    --text-1: #18181B;
    --text-2: rgba(24,24,27,0.6);
    --text-3: rgba(24,24,27,0.38);
    --accent-dim: rgba(255,99,0,0.08);
    --accent-glow: rgba(255,99,0,0.12);
}

/* ─── RESET ──────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:17px}
body{font-family:var(--font);background:var(--bg-base);color:var(--text-1);min-height:100vh;line-height:1.6;overflow-x:hidden;font-size:1rem}
a{color:var(--accent);text-decoration:none}
input,select,button,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ─── AMBIENT BG ─────────────────────────────── */
.ambient{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.ambient__mesh{
    position:absolute;inset:0;
    background:
        radial-gradient(ellipse 80% 60% at 15% 20%, rgba(255,99,0,0.06), transparent 60%),
        radial-gradient(ellipse 60% 80% at 85% 75%, rgba(124,58,237,0.05), transparent 50%),
        radial-gradient(ellipse 50% 50% at 50% 0%, rgba(255,99,0,0.03), transparent 40%);
    animation: meshShift 30s ease-in-out infinite alternate;
}
.ambient__noise{
    position:absolute;inset:0;
    background-image: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='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity:0.025;
    mix-blend-mode:overlay;
}
[data-theme="light"] .ambient__mesh{
    background:
        radial-gradient(ellipse 80% 60% at 15% 20%, rgba(255,99,0,0.04), transparent 60%),
        radial-gradient(ellipse 60% 80% at 85% 75%, rgba(124,58,237,0.03), transparent 50%);
}
@keyframes meshShift{
    0%{transform:scale(1) translate(0,0)}
    100%{transform:scale(1.05) translate(-20px,15px)}
}

/* ─── HEADER ─────────────────────────────────── */
.header{
    position:sticky;top:0;z-index:100;
    display:flex;align-items:center;justify-content:space-between;
    padding:0 24px;height:60px;
    background:rgba(8,8,12,0.75);
    backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
    border-bottom:1px solid var(--border);
}
[data-theme="light"] .header{background:rgba(245,245,247,0.8)}
.header__brand{display:flex;align-items:center;gap:12px}
.header__logo{height:28px;width:auto}
.header__title{
    font-size:1.02rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--text-3);
}
.header__title-accent{color:var(--accent);font-weight:700}
.header__right{display:flex;align-items:center;gap:8px}
.header__actions{display:flex;align-items:center;gap:6px}
.header__pilot{
    display:flex;align-items:center;gap:10px;
    padding:4px 14px 4px 4px;
    background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--r-xl);
}
.header__pilot-avatar{
    width:30px;height:30px;border-radius:50%;
    background:var(--accent-dim);border:1px solid var(--accent-glow);
    display:flex;align-items:center;justify-content:center;
    font-family:var(--mono);font-size:0.7rem;font-weight:600;color:var(--accent);
}
.header__pilot-info{display:flex;flex-direction:column;line-height:1.2}
.header__pilot-name{font-size:0.85rem;font-weight:600;color:var(--text-1)}
.header__pilot-code{font-family:var(--mono);font-size:0.75rem;color:var(--text-3)}
.header__nav{display:flex;align-items:center;gap:2px}

/* Nav buttons */
.nav-btn{
    display:flex;align-items:center;gap:5px;
    padding:7px 12px;border:none;border-radius:var(--r-sm);
    background:transparent;color:var(--text-2);font-size:0.85rem;font-weight:500;
    cursor:pointer;transition:all var(--dur) var(--ease);
}
.nav-btn svg{width:16px;height:16px;flex-shrink:0}
.nav-btn:hover{background:var(--bg-raised);color:var(--text-1)}
.nav-btn--danger:hover{color:var(--danger);background:var(--danger-dim)}

/* Theme toggle */
.theme-toggle{
    display:flex;align-items:center;justify-content:center;
    width:36px;height:36px;border:1px solid var(--border);border-radius:var(--r-sm);
    background:transparent;cursor:pointer;color:var(--text-3);
    transition:all var(--dur) var(--ease);
}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}
.theme-toggle svg{width:16px;height:16px}
.theme-toggle .icon-sun{display:block}
.theme-toggle .icon-moon{display:none}
[data-theme="light"] .theme-toggle .icon-sun{display:none}
[data-theme="light"] .theme-toggle .icon-moon{display:block}

/* ─── SHELL (main container) ─────────────────── */
.shell{
    position:relative;z-index:1;
    max-width:880px;margin:0 auto;padding:36px 24px 100px;
}

/* ─── SCREENS ────────────────────────────────── */
.screen{display:none;animation:fadeUp 0.4s var(--ease) both}
.screen.active{display:block}
@keyframes fadeUp{
    from{opacity:0;transform:translateY(12px)}
    to{opacity:1;transform:translateY(0)}
}
.screen-header{
    display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;
}

/* ─── AUTH ────────────────────────────────────── */
.auth{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 200px)}
.auth__card{
    width:100%;max-width:420px;position:relative;
    background:var(--bg-surface);
    border:1px solid var(--border);border-radius:var(--r-xl);
    padding:48px 40px;text-align:center;overflow:hidden;
}
.auth__glow{
    position:absolute;top:-80px;left:50%;transform:translateX(-50%);
    width:300px;height:200px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,99,0,0.12),transparent 70%);
    pointer-events:none;
}
.auth__card::after{
    content:'';position:absolute;top:0;left:0;right:0;height:2px;
    background:linear-gradient(90deg,transparent,var(--accent),var(--violet),transparent);
}
.auth__icon{
    width:64px;height:64px;margin:0 auto 24px;
    background:var(--accent-dim);border:1px solid var(--accent-glow);border-radius:50%;
    display:flex;align-items:center;justify-content:center;
}
.auth__icon svg{width:28px;height:28px;color:var(--accent)}
.auth__heading{font-size:1.65rem;font-weight:700;margin-bottom:8px;letter-spacing:-0.02em}
.auth__sub{font-size:1.02rem;color:var(--text-2);margin-bottom:32px;line-height:1.6}
.auth__field{position:relative;margin-bottom:4px}
.auth__input{
    width:100%;padding:14px 18px;
    background:var(--bg-input);border:1px solid var(--border);border-radius:var(--r-md);
    color:var(--text-1);font-family:var(--mono);font-size:1.1rem;text-align:center;
    letter-spacing:0.12em;outline:none;transition:all var(--dur) var(--ease);
}
.auth__input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.auth__input::placeholder{font-family:var(--font);font-size:0.88rem;letter-spacing:0.02em;color:var(--text-3)}
.auth__error{margin-top:10px;font-size:0.8rem;color:var(--danger);display:none}
.auth__footer{margin-top:28px;font-size:0.72rem;color:var(--text-3);letter-spacing:0.03em}

/* ─── BUTTONS ────────────────────────────────── */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-weight:600;border:none;cursor:pointer;
    transition:all var(--dur) var(--ease);letter-spacing:0.01em;
}
.btn--primary{
    padding:13px 32px;background:var(--accent);border-radius:var(--r-md);
    color:#fff;font-size:1rem;
    box-shadow:0 2px 12px rgba(255,99,0,0.25);
}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 20px rgba(255,99,0,0.35)}
.btn--primary:disabled{opacity:0.3;cursor:not-allowed;transform:none;box-shadow:none}
.btn--full{width:100%;margin-top:16px}
.btn--lg{padding:15px 48px;font-size:1.02rem;border-radius:var(--r-md)}

.btn--ghost{
    padding:12px 24px;background:transparent;
    border:1px solid var(--border);border-radius:var(--r-md);
    color:var(--text-2);font-size:0.88rem;
}
.btn--ghost:hover{border-color:var(--border-hover);color:var(--text-1);background:var(--bg-raised)}

.btn-accept{
    padding:14px 36px;background:var(--accent);border:none;border-radius:var(--r-md);
    color:#fff;font-size:1rem;font-weight:600;cursor:pointer;
    box-shadow:0 2px 12px rgba(255,99,0,0.25);transition:all var(--dur) var(--ease);
}
.btn-accept:hover{background:var(--accent-hover);transform:translateY(-1px)}

.btn-decline{
    padding:14px 24px;background:transparent;
    border:1px solid var(--border);border-radius:var(--r-md);
    color:var(--text-2);font-size:0.88rem;font-weight:500;cursor:pointer;
    transition:all var(--dur) var(--ease);
}
.btn-decline:hover{border-color:var(--danger);color:var(--danger);background:var(--danger-dim)}

.btn-back-roster{
    padding:14px 24px;background:transparent;
    border:1px solid var(--border);border-radius:var(--r-md);
    color:var(--text-2);font-size:0.88rem;font-weight:500;cursor:pointer;
    transition:all var(--dur) var(--ease);
}
.btn-back-roster:hover{border-color:var(--text-1);color:var(--text-1)}

.btn-regenerate{
    padding:14px 24px;background:transparent;
    border:1px solid var(--border);border-radius:var(--r-md);
    color:var(--text-2);font-size:0.88rem;font-weight:500;cursor:pointer;
    transition:all var(--dur) var(--ease);
}
.btn-regenerate:hover{border-color:var(--info);color:var(--info);background:var(--info-dim)}

.btn-validate{
    padding:7px 16px;background:transparent;
    border:1px solid var(--info);border-radius:var(--r-xs);
    color:var(--info);font-size:0.78rem;font-weight:600;cursor:pointer;
    transition:all var(--dur) var(--ease);
}
.btn-validate:hover{background:var(--info-dim)}
.btn-validate:disabled{opacity:0.35;cursor:not-allowed}
.btn-validate.verified{border-color:var(--ok);color:var(--ok);cursor:default}

/*
 * ─── BYPASS TOGGLES (Generation Overrides) ───
 *
 * Structure:  .bypass-section
 *               .bypass-header  (label + hint)
 *               .bypass-toggles
 *                 label.bypass-toggle  ×3
 *                   input[checkbox]    (hidden, drives :checked state)
 *                   span.bypass-toggle__switch  (visual track + ::after knob)
 *                   span.bypass-toggle__text
 *                     span.bypass-toggle__name
 *                     span.bypass-toggle__desc
 *
 * Switch geometry (all values account for border-box):
 *   Track:  44 × 24px  outer, 2px border → 40 × 20px inner
 *   Knob:   16 × 16px  circle, 2px inset  → travel = 40 - 16 - 2 - 2 = 20px
 */

.bypass-section {
    margin: 24px 0 12px;
    padding: 20px 0 0;
    border-top: 1px solid var(--border);
}

.bypass-header {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 12px;
}

.bypass-header__label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.bypass-header__hint {
    font-size: 0.72rem;
    color: var(--text-3);
    font-weight: 400;
}

.bypass-toggles {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* ── Row (the <label> wrapping each toggle) ── */
.bypass-toggle {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    cursor: pointer;
    position: relative;                /* contain the hidden checkbox */
    -webkit-user-select: none;
    user-select: none;
    transition: background var(--dur) var(--ease),
                border-color var(--dur) var(--ease);
}

.bypass-toggle:hover {
    background: var(--bg-raised);
    border-color: var(--border-hover);
}

/* ── Hidden native checkbox ── */
.bypass-toggle input[type="checkbox"] {
    /* Remove from flow entirely — no size, no margin, stays inside label */
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
    white-space: nowrap;
}

/* ── Switch track ── */
.bypass-toggle__switch {
    position: relative;
    flex-shrink: 0;
    width: 44px;
    height: 24px;
    margin-right: 16px;
    background: var(--bg-raised);
    border: 2px solid var(--border-hover);
    border-radius: 12px;
    transition: background var(--dur) var(--ease),
                border-color var(--dur) var(--ease);
}

/* ── Switch knob (rides inside the track) ── */
.bypass-toggle__switch::after {
    content: '';
    position: absolute;
    top: 2px;                          /* (24 - 4 border - 16) / 2 = 2 */
    left: 2px;
    width: 16px;
    height: 16px;
    background: var(--text-3);
    border-radius: 50%;
    transition: transform 0.2s var(--ease),
                background 0.2s var(--ease);
}

/* ── Checked: track ── */
.bypass-toggle input:checked + .bypass-toggle__switch {
    background: var(--accent);
    border-color: var(--accent);
}

/* ── Checked: knob slides right ── */
.bypass-toggle input:checked + .bypass-toggle__switch::after {
    transform: translateX(20px);       /* 44 - 4 border - 4 inset - 16 knob = 20 */
    background: #fff;
}

/* ── Text (name + description) ── */
.bypass-toggle__text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 1px;
    min-width: 0;                      /* allow text truncation inside flex */
    padding-right: 60px;               /* offset for switch width so text centers in full row */
}

.bypass-toggle__name {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-1);
    line-height: 1.3;
}

.bypass-toggle__desc {
    font-size: 0.72rem;
    color: var(--text-3);
    line-height: 1.3;
}

.btn-generate{
    padding:14px 40px;background:var(--accent);border:none;border-radius:var(--r-md);
    color:#fff;font-size:1rem;font-weight:600;cursor:pointer;
    box-shadow:0 2px 12px rgba(255,99,0,0.25);transition:all var(--dur) var(--ease);
}
.btn-generate:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-generate:disabled{opacity:0.3;cursor:not-allowed;transform:none;box-shadow:none}

.btn-cancel{
    padding:14px 24px;background:transparent;
    border:1px solid var(--border);border-radius:var(--r-md);
    color:var(--text-2);font-size:0.88rem;font-weight:500;cursor:pointer;
    transition:all var(--dur) var(--ease);
}
.btn-cancel:hover{border-color:var(--danger);color:var(--danger);background:var(--danger-dim)}

/* ─── SECTION LABELS ─────────────────────────── */
.section-label{
    font-size:0.8rem;font-weight:700;text-transform:uppercase;
    letter-spacing:0.12em;color:var(--text-3);margin-bottom:16px;
}

/* ─── TYPE CARDS ─────────────────────────────── */
.type-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:36px}
.type-card{
    display:flex;align-items:center;gap:16px;
    padding:20px;background:var(--bg-surface);
    border:1px solid var(--border);border-radius:var(--r-lg);
    cursor:pointer;transition:all var(--dur) var(--ease);
    position:relative;overflow:hidden;
}
.type-card::before{
    content:'';position:absolute;inset:0;border-radius:inherit;
    background:linear-gradient(135deg,var(--accent-dim),transparent 60%);
    opacity:0;transition:opacity var(--dur) var(--ease);
}
.type-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}
.type-card:hover::before{opacity:1}
.type-card.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 4px 20px rgba(255,99,0,0.12)}
.type-card.selected::before{opacity:1}
.type-card__num{
    font-size:2.2rem;font-weight:800;color:var(--accent);
    line-height:1;min-width:36px;text-align:center;position:relative;
}
.type-card__body{position:relative}
.type-card__title{font-size:1.05rem;font-weight:600;color:var(--text-1)}
.type-card__desc{font-size:0.85rem;color:var(--text-3);margin-top:2px}

/* ─── DEPARTURE ──────────────────────────────── */
.field{
    width:100%;padding:13px 18px;
    background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--r-md);
    color:var(--text-1);font-size:0.9rem;outline:none;
    transition:all var(--dur) var(--ease);
}
.field:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.field::placeholder{color:var(--text-3)}

/* Airport grid — ENLARGED BUTTONS */
.airport-grid{
    display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));
    gap:10px;margin-top:12px;max-height:420px;overflow-y:auto;
    padding-right:4px;
}
.airport-grid::-webkit-scrollbar{width:3px}
.airport-grid::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:2px}

/* Keeping old class names for JS compat */
.airport-buttons{
    display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));
    gap:10px;margin-top:12px;max-height:420px;overflow-y:auto;padding-right:4px;
}
.airport-buttons::-webkit-scrollbar{width:3px}
.airport-buttons::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:2px}
.airport-search{
    width:100%;padding:13px 18px;
    background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--r-md);
    color:var(--text-1);font-size:0.9rem;outline:none;
    transition:all var(--dur) var(--ease);
}
.airport-search:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}

.airport-btn{
    padding:20px 14px;background:var(--bg-surface);
    border:1px solid var(--border);border-radius:var(--r-md);
    cursor:pointer;text-align:center;transition:all var(--dur) var(--ease);
}
.airport-btn:hover{border-color:var(--border-hover);background:var(--bg-hover);transform:translateY(-1px)}
.airport-btn.selected{border-color:var(--accent);background:var(--accent-dim);box-shadow:0 0 0 1px var(--accent)}
.airport-btn__icao{font-family:var(--mono);font-weight:700;font-size:1.25rem;color:var(--accent)}
.airport-btn__name{font-size:0.78rem;color:var(--text-3);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Hub buttons */
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.hub-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.hub-btn{
    padding:22px 16px;background:var(--bg-surface);
    border:1px solid var(--border);border-radius:var(--r-lg);
    cursor:pointer;text-align:center;transition:all var(--dur) var(--ease);
}
.hub-btn:hover{border-color:var(--border-hover);background:var(--bg-hover);transform:translateY(-2px)}
.hub-btn.selected{border-color:var(--accent);background:var(--accent-dim);box-shadow:0 0 0 1px var(--accent)}
.hub-btn__icao{font-family:var(--mono);font-weight:700;font-size:1.15rem;color:var(--accent)}
.hub-btn__city{font-size:0.82rem;color:var(--text-2);margin-top:4px}

/* ─── SELECTED AIRPORT CHIP ──────────────────── */
.selected-airport{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 20px;background:var(--accent-dim);
    border:1px solid var(--accent);border-radius:var(--r-lg);
    transition:all var(--dur) var(--ease);cursor:pointer;
}
.selected-airport:hover{background:var(--bg-hover);border-color:var(--border-hover)}
.selected-airport__info{display:flex;align-items:center;gap:14px}
.selected-airport__icao{font-family:var(--mono);font-weight:700;font-size:1.1rem;color:var(--accent)}
.selected-airport__name{font-size:0.88rem;color:var(--text-2)}
.selected-airport__hint{font-size:0.72rem;color:var(--text-3);opacity:0;transition:opacity var(--dur)}
.selected-airport:hover .selected-airport__hint{opacity:1}

/* ─── BLOCK TIME ─────────────────────────────── */
.block-time-section{margin:36px 0;display:none}
.block-time-section.visible{display:block}
.bt-display{text-align:center;margin-bottom:24px}
.bt-display__val{font-size:2.8rem;font-weight:800;font-family:var(--mono);color:var(--text-1)}
.bt-display__unit{font-size:0.88rem;color:var(--text-3);margin-left:6px}
.bt-chips{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.bt-chips-container{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}

.bt-bucket{
    padding:11px 24px;background:var(--bg-surface);
    border:1px solid var(--border);border-radius:var(--r-md);
    font-family:var(--mono);font-size:1.02rem;font-weight:600;color:var(--text-2);
    cursor:pointer;transition:all var(--dur) var(--ease);min-width:64px;
}
.bt-bucket:hover{border-color:var(--border-hover);background:var(--bg-hover);transform:translateY(-1px)}
.bt-bucket.active{
    border-color:var(--accent);color:var(--accent);background:var(--accent-dim);
    box-shadow:0 0 0 1px var(--accent),0 4px 16px rgba(255,99,0,0.12);transform:translateY(-2px);
}
.bt-hint,.bt-estimate{text-align:center;margin-top:18px;font-size:0.8rem;color:var(--text-3)}
.cta-area{text-align:center;margin-top:40px}

/* ─── GENERATING ─────────────────────────────── */
.generating{text-align:center;padding:120px 20px}
.generating__spinner{
    width:48px;height:48px;margin:0 auto 24px;
    border:2.5px solid var(--border);border-top-color:var(--accent);
    border-radius:50%;animation:spin 0.7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.generating__text,.generating-msg{font-size:1rem;color:var(--text-2);transition:opacity 0.3s}
.generating-overlay{text-align:center;padding:120px 20px}
.generating-spinner{
    width:48px;height:48px;margin:0 auto 24px;
    border:2.5px solid var(--border);border-top-color:var(--accent);
    border-radius:50%;animation:spin 0.7s linear infinite;
}

/* ─── ROSTER STATUS BAR ──────────────────────── */
.roster-status{
    display:flex;align-items:center;justify-content:space-between;
    padding:12px 18px;border-radius:var(--r-md);margin-bottom:24px;
    font-size:0.85rem;font-weight:600;
}
.roster-status-bar{
    display:flex;align-items:center;justify-content:space-between;
    padding:12px 18px;border-radius:var(--r-md);margin-bottom:24px;
    font-size:0.85rem;font-weight:600;
}
.roster-status__left,.status-indicator{display:flex;align-items:center;gap:8px}
.roster-status__dot,.status-dot{width:8px;height:8px;border-radius:50%;background:currentColor}
.roster-status__dot.pulse,.status-dot.pulse{animation:pulse 1.5s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.3}}
.roster-status__text{font-size:0.85rem}
.roster-status__ref{font-family:var(--mono);font-size:0.78rem}

/* Status variants */
.roster-status.pending,.roster-status-bar.pending{background:var(--warn-dim);border:1px solid var(--warn-border);color:var(--warn)}
.roster-status.active,.roster-status-bar.active{background:var(--info-dim);border:1px solid var(--info-border);color:var(--info)}
.roster-status.completed,.roster-status-bar.completed{background:var(--ok-dim);border:1px solid var(--ok-border);color:var(--ok)}
.roster-status.expired,.roster-status-bar.expired{background:var(--danger-dim);border:1px solid var(--danger-border);color:var(--danger)}

/* ─── ROSTER INFO GRID ───────────────────────── */
.roster-info{
    display:grid;grid-template-columns:1fr 1fr 1fr;
    gap:1px;margin-bottom:24px;
    background:var(--border);border:1px solid var(--border);border-radius:var(--r-lg);
    overflow:hidden;
}
.roster-info__item{padding:16px 20px;background:var(--bg-surface)}
.roster-info__label{
    font-size:0.75rem;font-weight:700;text-transform:uppercase;
    letter-spacing:0.1em;color:var(--text-3);margin-bottom:4px;
}
.roster-info__value{font-size:1rem;font-weight:600;color:var(--text-1)}
.roster-info__value.mono{font-family:var(--mono);font-size:0.85rem}

/* ─── GENERATION NOTES ───────────────────────── */
.roster-notes{margin-bottom:20px}
.roster-note{
    display:flex;align-items:flex-start;gap:10px;
    padding:12px 16px;margin-bottom:6px;
    background:var(--warn-dim);border:1px solid var(--warn-border);
    border-left:3px solid var(--warn);border-radius:var(--r-sm);
    color:var(--text-2);font-size:0.82rem;line-height:1.5;
}
.roster-note__icon{width:16px;height:16px;flex-shrink:0;margin-top:1px;color:var(--warn)}

/* ─── DAY HEADER ─────────────────────────────── */
.day-header{display:flex;align-items:center;gap:12px;margin:28px 0 14px}
.day-header__badge{
    padding:5px 14px;background:var(--bg-raised);border-radius:var(--r-xs);
    font-size:0.8rem;font-weight:700;text-transform:uppercase;
    letter-spacing:0.06em;color:var(--text-2);white-space:nowrap;
}
.day-header__line{flex:1;height:1px;background:var(--border)}
.day-header__rest{font-size:0.72rem;color:var(--text-3);font-style:italic}

/* ─── LEG CARDS ──────────────────────────────── */
.leg-card{
    background:var(--bg-surface);border:1px solid var(--border);
    border-radius:var(--r-lg);margin-bottom:10px;overflow:hidden;
    transition:all var(--dur) var(--ease);
}
.leg-card:hover{border-color:var(--border-hover)}
.leg-card.completed{border-left:3px solid var(--ok)}
.leg-card.pending-leg{border-left:3px solid var(--border);border-left-style:dashed}
.leg-card.flying{border-left:3px solid var(--info)}
.leg-card__content{padding:18px 22px}

.leg-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.leg-callsign{font-family:var(--mono);font-weight:700;font-size:1rem;color:#5EC4E8}
.leg-label{
    font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;
    padding:4px 10px;border-radius:var(--r-xs);background:var(--bg-raised);color:var(--text-3);
}
.leg-label.verified{background:var(--ok-dim);color:var(--ok)}

.leg-route{display:flex;align-items:center;gap:16px;margin-bottom:14px}
.leg-airport{text-align:center;min-width:60px}
.leg-airport__icao{font-family:var(--mono);font-weight:700;font-size:1.25rem;color:var(--text-1);letter-spacing:0.04em}
.leg-airport__name{font-size:0.78rem;color:var(--text-3);margin-top:2px;max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.leg-route__line{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px}
.leg-route__arrow{width:100%;height:1px;background:var(--border-hover);position:relative}
.leg-route__arrow::after{content:'▸';position:absolute;right:-2px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:0.65rem}
.leg-route__time{font-size:0.7rem;color:var(--text-3);font-family:var(--mono)}

.leg-service-days{text-align:center;font-size:0.66rem;color:var(--text-3);letter-spacing:0.04em;padding:4px 0 2px;font-family:var(--mono)}

.leg-times{display:flex;justify-content:space-between;align-items:center}
.leg-time-block{text-align:left}
.leg-time-block__label{color:var(--text-3);font-size:0.65rem;margin-bottom:2px;text-transform:uppercase;letter-spacing:0.06em}
.leg-time-block__value{font-family:var(--mono);font-weight:500;color:var(--text-2);font-size:0.9rem}
.leg-time-block__value .zulu{color:var(--text-3);font-size:0.68rem;margin-left:5px}

/* ─── ROSTER ACTIONS ─────────────────────────── */
.roster-actions{display:flex;gap:12px;justify-content:center;margin-top:28px}

/* ─── EXPIRY BAR ─────────────────────────────── */
.expiry-bar{
    text-align:center;margin-top:24px;padding:24px;
    background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--r-lg);
}
.expiry-bar__label{font-size:0.7rem;color:var(--text-3);text-transform:uppercase;letter-spacing:0.1em;margin-bottom:6px}
.expiry-bar__deadline{font-family:var(--mono);font-size:0.95rem;font-weight:600;color:var(--text-1);margin-bottom:16px}
.expiry-bar__divider{width:60px;height:1px;background:var(--border);margin:0 auto 16px}
.expiry-bar__countdown-label{font-size:0.65rem;color:var(--text-3);text-transform:uppercase;letter-spacing:0.1em;margin-bottom:4px}
.expiry-bar__timer{font-family:var(--mono);font-size:2.4rem;font-weight:700;color:var(--text-1);letter-spacing:0.04em;line-height:1.2}
.expiry-bar__timer.urgent{color:var(--danger)}
.expiry-bar__timer .expiry-days{color:var(--accent);font-size:2rem}
.expiry-bar__ist{font-size:0.75rem;color:var(--text-3);margin-top:4px}
.expiry-bar__live{
    display:flex;align-items:center;justify-content:center;gap:8px;
    margin-top:12px;font-family:var(--mono);font-size:0.78rem;color:var(--text-3);
}
.expiry-bar__pulse{
    width:6px;height:6px;border-radius:50%;background:var(--ok);
    animation:pulse 1.5s ease-in-out infinite;
}

/* ─── COMPLETION / EXPIRED BANNER ────────────── */
.completion-banner{text-align:center;padding:52px 20px}
.completion-banner__icon{
    width:68px;height:68px;margin:0 auto 20px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
}
.completion-banner__icon svg{width:32px;height:32px}
.completion-banner h2{font-size:1.35rem;font-weight:700;margin-bottom:8px}
.completion-banner p{font-size:0.88rem;color:var(--text-2)}

/* ─── HISTORY ────────────────────────────────── */
.history-item{
    background:var(--bg-surface);border:1px solid var(--border);
    border-radius:var(--r-lg);padding:18px 22px;margin-bottom:8px;
    transition:all var(--dur) var(--ease);
    position:relative;cursor:pointer;
}
.history-item:hover{border-color:var(--accent-glow);background:var(--bg-hover);transform:translateX(4px)}
.history-item:active{transform:translateX(2px)}
.history-item__top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:8px}
.history-item__name{font-weight:600;font-size:1rem}
.history-item__ref{font-family:var(--mono);font-size:0.72rem;color:var(--text-3);margin-left:8px}
.history-item__badge{
    font-size:0.68rem;font-weight:700;text-transform:uppercase;
    padding:4px 10px;border-radius:var(--r-xs);
}
.history-item__badge.completed{background:var(--ok-dim);color:var(--ok)}
.history-item__badge.expired{background:var(--danger-dim);color:var(--danger)}
.history-item__badge.declined{background:var(--bg-raised);color:var(--text-3)}
.history-item__badges{
    display:flex;flex-direction:column;align-items:flex-end;gap:5px;flex-shrink:0;
}
.history-item__points{
    font-family:var(--mono);font-size:0.72rem;font-weight:700;
    padding:3px 10px;border-radius:var(--r-xs);
    background:var(--accent-dim);color:var(--accent);
    letter-spacing:0.02em;
}
.history-item__route{font-size:0.88rem;color:var(--text-2);font-family:var(--mono)}
.history-item__meta{display:flex;gap:16px;margin-top:8px;font-size:0.82rem;color:var(--text-3)}
.history-item__expand{
    position:absolute;right:18px;top:50%;transform:translateY(-50%);
    color:var(--text-3);opacity:0;transition:all var(--dur) var(--ease);
}
.history-item__expand svg{width:18px;height:18px}
.history-item:hover .history-item__expand{opacity:1;color:var(--accent)}
.history-empty{
    text-align:center;padding:60px 20px;
    display:flex;flex-direction:column;align-items:center;
}
.history-loading{
    text-align:center;padding:60px 20px;
    display:flex;flex-direction:column;align-items:center;
}

/* ─── LEADERBOARD ────────────────────────────── */
.lb-pilot-card{
    display:flex;align-items:center;gap:16px;
    padding:20px 24px;margin-bottom:24px;
    background:linear-gradient(135deg,var(--accent-dim),var(--violet-dim));
    border:1px solid var(--accent-glow);border-radius:var(--r-lg);
}
.lb-pilot-card__rank{
    font-family:var(--mono);font-size:1.5rem;font-weight:700;
    color:var(--warn);min-width:48px;text-align:center;
}
.lb-pilot-card__info{flex:1}
.lb-pilot-card__name{font-size:1rem;font-weight:600;color:var(--text-1)}
.lb-pilot-card__meta{display:flex;gap:12px;margin-top:4px}
.lb-pilot-card__pts{font-family:var(--mono);font-size:1.05rem;font-weight:700;color:var(--accent)}
.lb-pilot-card__streak{font-size:0.82rem;color:var(--text-3)}
.lb-pilot-card__stats{
    display:flex;gap:20px;
}
.lb-stat{display:flex;flex-direction:column;align-items:center;gap:2px}
.lb-stat__val{font-family:var(--mono);font-size:1.1rem;font-weight:700;color:var(--text-1)}
.lb-stat__label{font-size:0.65rem;color:var(--text-3);text-transform:uppercase;letter-spacing:0.06em}

.lb-list{display:flex;flex-direction:column;gap:4px}
.lb-row{
    display:flex;align-items:center;gap:12px;
    padding:14px 16px;border-radius:var(--r-sm);
    background:var(--bg-surface);border:1px solid var(--border);
    transition:all var(--dur) var(--ease);
}
.lb-row:hover{background:var(--bg-hover);border-color:var(--border-hover)}
.lb-row--me{border-color:var(--accent-glow);background:var(--accent-dim)}
.lb-rank{font-family:var(--mono);font-size:1rem;font-weight:600;min-width:36px;text-align:center;color:var(--text-3)}
.lb-info{flex:1;min-width:0}
.lb-name{font-size:0.88rem;font-weight:600;color:var(--text-1)}
.lb-username{font-family:var(--mono);font-size:0.72rem;color:var(--text-3);margin-left:8px}
.lb-stats{display:flex;align-items:center;gap:16px}
.lb-stat-col{display:flex;flex-direction:column;align-items:center;gap:1px;min-width:48px}
.lb-stat-val{font-family:var(--mono);font-size:0.85rem;font-weight:600;color:var(--text-2)}
.lb-stat-lbl{font-size:0.6rem;color:var(--text-3);text-transform:uppercase;letter-spacing:0.04em}
.lb-points{font-family:var(--mono);font-size:1.1rem;font-weight:700;color:var(--accent);min-width:56px;text-align:right}
.lb-points::after{content:' pts';font-weight:400;font-size:0.65rem;color:var(--text-3)}
.lb-streak{font-size:0.78rem;color:var(--text-3)}

/* ─── TOAST ──────────────────────────────────── */
.toast{
    position:fixed;bottom:28px;left:50%;
    transform:translateX(-50%) translateY(80px);
    padding:13px 28px;
    background:var(--bg-surface);backdrop-filter:blur(20px);
    border:1px solid var(--border);border-radius:var(--r-lg);
    color:var(--text-1);font-size:0.92rem;font-weight:500;
    z-index:200;opacity:0;transition:all 0.3s var(--ease);
    max-width:90%;
}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.toast.error{border-color:var(--danger-border);color:var(--danger)}
.toast.success{border-color:var(--ok-border);color:var(--ok)}

/* ─── VIEW TOGGLE ────────────────────────────── */
.view-toggle{
    display:flex;gap:2px;padding:3px;
    background:var(--bg-surface);border:1px solid var(--border);
    border-radius:var(--r-md);margin-bottom:20px;width:fit-content;
}
.view-toggle__btn{
    padding:8px 18px;border:none;
    border-radius:calc(var(--r-md) - 3px);
    font-family:var(--mono);font-size:0.78rem;font-weight:600;
    letter-spacing:0.04em;text-transform:uppercase;
    color:var(--text-3);background:transparent;cursor:pointer;
    transition:all var(--dur) var(--ease);
}
.view-toggle__btn:hover{color:var(--text-1)}
.view-toggle__btn.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(255,99,0,0.3)}

/* ─── TIMELINE VIEW ──────────────────────────── */
.timeline-view{display:none}
.timeline-view.active{display:block}
.detail-view.active{display:block}

.timeline-day{
    margin-bottom:20px;background:var(--bg-surface);
    border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
}
.timeline-day__header{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 20px;background:rgba(255,255,255,0.02);border-bottom:1px solid var(--border);
}
.timeline-day__date{
    width:44px;height:44px;border-radius:var(--r-sm);
    background:var(--accent-dim);border:1px solid var(--accent-glow);
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    flex-shrink:0;
}
.timeline-day__date-num{font-family:var(--mono);font-size:1.1rem;font-weight:700;color:var(--accent);line-height:1}
.timeline-day__date-month{font-family:var(--mono);font-size:0.58rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:0.05em}
.timeline-day__title{font-family:var(--mono);font-size:0.82rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-2)}
.timeline-day__subtitle{font-size:0.72rem;color:var(--text-3);margin-top:2px}
.timeline-day__meta{display:flex;gap:16px;font-size:0.75rem;color:var(--text-3);font-family:var(--mono)}
.timeline-day__meta span{display:flex;align-items:center;gap:4px}

.timeline-route-chain{
    padding:8px 20px;font-family:var(--mono);font-size:0.72rem;
    color:var(--text-3);letter-spacing:0.03em;
    background:rgba(255,255,255,0.01);border-bottom:1px solid var(--border);
}

.timeline-axis{position:relative;padding:28px 20px 20px;min-height:90px}
.timeline-axis__labels{position:relative;height:16px;margin-bottom:6px}
.timeline-axis__hour{
    position:absolute;transform:translateX(-50%);
    font-family:var(--mono);font-size:0.6rem;color:var(--text-3);
}
.timeline-axis__bar{position:relative;height:52px;background:rgba(255,255,255,0.02);border:1px solid var(--border);border-radius:var(--r-sm);overflow:hidden}
.timeline-axis__gridline{
    position:absolute;top:0;bottom:0;width:1px;
    background:rgba(255,255,255,0.04);
}
.timeline-axis__ticks{position:absolute;top:0;left:0;right:0;bottom:0;display:flex}
.timeline-axis__tick{flex:1;border-right:1px solid rgba(255,255,255,0.03);position:relative}
.timeline-axis__tick-label{position:absolute;bottom:-18px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:0.6rem;color:var(--text-3);white-space:nowrap}

.timeline-summary{
    text-align:center;margin-top:20px;padding:16px;
    background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--r-md);
}
.timeline-summary__label{font-size:0.65rem;color:var(--text-3);text-transform:uppercase;letter-spacing:0.1em;margin-bottom:6px}
.timeline-summary__route{font-family:var(--mono);font-size:0.82rem;color:var(--text-2);letter-spacing:0.03em}

.timeline-flight{
    position:absolute;top:4px;bottom:4px;border-radius:4px;
    display:flex;align-items:center;justify-content:center;gap:4px;
    padding:0 6px;cursor:default;transition:all 0.2s ease;overflow:hidden;min-width:24px;
}
.timeline-flight:hover{transform:scaleY(1.08);z-index:10}
.timeline-flight--active{background:linear-gradient(135deg,rgba(255,99,0,0.7),rgba(255,133,51,0.5));border:1px solid rgba(255,99,0,0.6)}
.timeline-flight--rest{background:rgba(255,255,255,0.03);border:1px dashed rgba(255,255,255,0.08)}
.timeline-flight--wait{background:rgba(251,191,36,0.1);border:1px dashed rgba(251,191,36,0.2)}
.timeline-flight__callsign{font-family:var(--mono);font-size:0.62rem;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.timeline-flight__route{font-family:var(--mono);font-size:0.58rem;color:rgba(255,255,255,0.7);white-space:nowrap}

.timeline-legend{display:flex;gap:16px;margin-top:10px;padding:0 20px 14px}
.timeline-legend__item{display:flex;align-items:center;gap:6px;font-size:0.68rem;color:var(--text-3)}
.timeline-legend__swatch{width:12px;height:8px;border-radius:2px}
.timeline-legend__swatch--flight{background:linear-gradient(135deg,rgba(255,99,0,0.7),rgba(255,133,51,0.5));border:1px solid rgba(255,99,0,0.4)}
.timeline-legend__swatch--wait{background:rgba(251,191,36,0.15);border:1px dashed rgba(251,191,36,0.3)}
.timeline-legend__swatch--rest{background:rgba(255,255,255,0.04);border:1px dashed rgba(255,255,255,0.1)}

.timeline-rest-bar{
    display:flex;align-items:center;justify-content:center;gap:8px;
    padding:8px 20px;font-family:var(--mono);font-size:0.72rem;color:var(--text-3);
    background:rgba(255,255,255,0.015);border-top:1px dashed var(--border);
}
.timeline-rest-bar svg{width:14px;height:14px;opacity:0.5}

/* ─── RESPONSIVE ─────────────────────────────── */
@media(max-width:680px){
    .type-cards{grid-template-columns:1fr}
    .hub-grid,.hub-buttons{grid-template-columns:1fr}
    .roster-info{grid-template-columns:1fr 1fr}
    .header{padding:0 16px;height:54px}
    .header__pilot-info{display:none}
    .shell{padding:24px 16px 80px}
    .leg-route{gap:10px}
    .auth__card{padding:36px 24px}
    .roster-actions{flex-direction:column}
    .nav-btn span{display:none}
    .nav-btn{padding:7px 8px}
    .airport-grid,.airport-buttons{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
    .timeline-flight__callsign{font-size:0.55rem}
    .timeline-flight__route{display:none}
}
@media(max-width:400px){
    .type-card__num{font-size:1.5rem;min-width:28px}
    .type-card{padding:16px}
}