/* ══════════════════════════════════════════════
   FITNESS COACH — SHARED STYLES
   ══════════════════════════════════════════════ */

/* THEME */
:root[data-theme="dark"] {
    --bg:#121212; --bg2:#1a1a1a; --bg3:#252525;
    --border:#242424; --text:#f4f4f4; --text2:#a6a6a6; --text3:#808080;
    --accent:#ccff00; --accent2:#a8d400; --accent-glow:rgba(204,255,0,0.09);
    --card:#1e1e1e; --input-bg:#1a1a1a;
    --red:#ff4d4d; --orange:#ffb020; --blue:#3d9eff;
}
:root[data-theme="light"] {
    --bg:#f5f5f0; --bg2:#eeede8; --bg3:#e5e4df;
    --border:#d5d4cf; --text:#1a1a1a; --text2:#5c5c5c; --text3:#808080;
    --accent:#3a7d00; --accent2:#2a5c00; --accent-glow:rgba(58,125,0,0.1);
    --card:#fff; --input-bg:#fff;
    --red:#d44; --orange:#c89800; --blue:#2a70c0;
}

/* RESET */
* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family:'DM Sans',sans-serif;
    background:var(--bg);
    color:var(--text);
    min-height:100vh;
    transition:background 0.3s,color 0.3s;
}

/* ── NAV ─────────────────────────────────────── */
nav {
    display:flex; align-items:center; justify-content:space-between;
    padding:20px 40px; border-bottom:1px solid var(--border);
    position:sticky; top:0; background:var(--bg); z-index:100;
    backdrop-filter:blur(10px);
}
.nav-logo {
    font-family:'Bebas Neue',sans-serif;
    font-size:28px; letter-spacing:3px; color:var(--accent);
}
.nav-links { display:flex; align-items:center; gap:4px; }
.nav-link {
    font-size:13px; font-weight:500; color:var(--text2);
    text-decoration:none; padding:6px 14px; border-radius:6px;
    transition:all 0.2s;
}
.nav-link:hover { color:var(--text); background:var(--bg3); }
.nav-link.active { color:var(--accent); background:var(--accent-glow); }
.nav-right { display:flex; align-items:center; gap:16px; }
.nav-user { font-size:14px; color:var(--text2); font-weight:300; }
.nav-user span { color:var(--text); font-weight:500; }

/* THEME TOGGLE */
.theme-toggle {
    width:44px; height:24px; border-radius:12px;
    background:var(--bg3); border:1px solid var(--border);
    cursor:pointer; position:relative; transition:all 0.3s;
}
.theme-toggle::after {
    content:''; position:absolute; width:18px; height:18px;
    border-radius:50%; background:var(--accent); top:2px; left:2px;
    transition:transform 0.3s;
}
[data-theme="light"] .theme-toggle::after { transform:translateX(20px); }

.logout-btn {
    font-family:'DM Sans',sans-serif;
    font-size:13px; font-weight:500; color:var(--text2);
    background:none; border:1px solid var(--border);
    padding:6px 16px; border-radius:6px; cursor:pointer;
    text-decoration:none; transition:all 0.2s;
}
.logout-btn:hover { color:var(--text); border-color:var(--text3); }

/* ── LAYOUT ──────────────────────────────────── */
.container {
    max-width:1100px; margin:0 auto; padding:40px 40px 80px;
}
.page-header { margin-bottom:40px; }
.page-header h1 {
    font-family:'Bebas Neue',sans-serif;
    font-size:56px; letter-spacing:4px; line-height:1; color:var(--text);
}
.page-header h1 span { color:var(--accent); }
.page-header p {
    margin-top:8px; color:var(--text2); font-size:15px; font-weight:300;
}

/* ── FORM ────────────────────────────────────── */
.form-grid {
    display:grid; grid-template-columns:1fr 1fr;
    gap:12px; margin-bottom:12px;
}
.form-full { grid-column:1/-1; }
.form-group { display:flex; flex-direction:column; gap:6px; }

label {
    font-size:11px; font-weight:600; letter-spacing:0.1em;
    text-transform:uppercase; color:var(--text2);
}

input, select, textarea {
    font-family:'DM Sans',sans-serif; font-size:15px; font-weight:400;
    color:var(--text); background:var(--input-bg);
    border:1px solid var(--border); border-radius:8px;
    padding:12px 14px; outline:none;
    transition:border-color 0.2s, box-shadow 0.2s;
    appearance:none;
}
input:focus, select:focus, textarea:focus {
    border-color:var(--accent);
    box-shadow:0 0 0 3px var(--accent-glow);
}
input[readonly] { color:var(--text2); cursor:default; }
textarea { resize:vertical; min-height:60px; }

select {
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat:no-repeat;
    background-position:right 14px center;
    padding-right:36px; cursor:pointer;
}

/* ── BUTTONS ─────────────────────────────────── */
.submit-btn {
    font-family:'Bebas Neue',sans-serif; font-size:18px;
    letter-spacing:3px; color:#0a0a0a; background:var(--accent);
    border:none; border-radius:8px; padding:14px 40px;
    cursor:pointer; transition:all 0.2s; margin-top:4px;
}
.submit-btn:hover { background:var(--accent2); transform:translateY(-1px); }
.submit-btn:active { transform:scale(0.97); }
.submit-btn.loading { opacity:0.7; cursor:not-allowed; }

/* ── CARDS ───────────────────────────────────── */
.stat-card {
    background:var(--card); border:1px solid var(--border);
    border-radius:12px; padding:20px; transition:background 0.3s;
}
.stat-label {
    font-size:11px; font-weight:600; letter-spacing:0.1em;
    text-transform:uppercase; color:var(--text3); margin-bottom:8px;
}
.stat-value {
    font-family:'Bebas Neue',sans-serif; font-size:36px;
    letter-spacing:2px; color:var(--accent); line-height:1;
}
.stat-unit {
    font-family:'DM Sans',sans-serif; font-size:13px;
    color:var(--text2); font-weight:300; margin-top:4px;
}

/* ── DIVIDER ─────────────────────────────────── */
.divider {
    display:flex; align-items:center; gap:16px; margin:40px 0 32px;
}
.divider-line { flex:1; height:1px; background:var(--border); }
.divider-label {
    font-family:'Bebas Neue',sans-serif; font-size:14px;
    letter-spacing:3px; color:var(--text3);
}

/* ── SECTION ─────────────────────────────────── */
.section { margin-bottom:28px; }
.section-title {
    font-family:'Bebas Neue',sans-serif; font-size:22px;
    letter-spacing:3px; color:var(--text); margin-bottom:4px;
}
.section-sub {
    font-size:13px; color:var(--text2); margin-bottom:14px; font-weight:300;
}
.coach-section-text {
    font-size: 15px;
    color: var(--text);
    line-height: 1.7;
    font-weight: 400;
}

.coach-motivation {
    font-weight: 400;
}
/* ── OPTION CHIPS ────────────────────────────── */
.option-grid { display:flex; flex-wrap:wrap; gap:8px; }
.option-chip {
    display:flex; align-items:center; gap:8px;
    background:var(--bg3); border:1.5px solid var(--border);
    border-radius:8px; padding:10px 18px; cursor:pointer;
    transition:all 0.2s; user-select:none;
}
.option-chip:hover { border-color:var(--accent); }
.option-chip:active { transform:scale(0.97); }
.option-chip.selected { background:var(--accent-glow); border-color:var(--accent); }
.option-chip-dot {
    width:8px; height:8px; border-radius:50%;
    border:1.5px solid var(--text3); transition:all 0.2s; flex-shrink:0;
}
.option-chip.selected .option-chip-dot { background:var(--accent); border-color:var(--accent); }
.option-chip-text { font-size:14px; font-weight:400; color:var(--text); }
.option-chip-sub { font-size:11px; color:var(--text3); }

/* ── FOOD CHIPS ──────────────────────────────── */
.food-grid { display:flex; flex-wrap:wrap; gap:8px; }
.food-chip {
    display:flex; align-items:center; gap:8px;
    background:var(--bg3); border:1px solid var(--border);
    border-radius:8px; padding:8px 14px; cursor:pointer;
    transition:all 0.2s; user-select:none;
}
.food-chip:hover { border-color:var(--accent); }
.food-chip:active { transform:scale(0.97); }
.food-chip.selected { background:var(--accent-glow); border-color:var(--accent); }
.food-chip input[type="checkbox"] { display:none; }
.food-chip-dot {
    width:8px; height:8px; border-radius:50%;
    border:1.5px solid var(--text3); transition:all 0.2s; flex-shrink:0;
}
.food-chip.selected .food-chip-dot { background:var(--accent); border-color:var(--accent); }
.food-chip-name { font-size:14px; font-weight:400; color:var(--text); }

/* ── CATEGORY LABEL ──────────────────────────── */
.cat-label {
    font-size:11px; font-weight:600; letter-spacing:0.1em;
    text-transform:uppercase; color:var(--text3);
    margin-bottom:10px; margin-top:16px;
    display:flex; align-items:center; gap:8px;
}
.cat-label::after { content:''; flex:1; height:1px; background:var(--border); }

/* ── SCORE BANNER ────────────────────────────── */
.score-banner {
    border-radius:12px; padding:20px 24px; margin-bottom:28px;
    display:flex; align-items:center; gap:20px;
    border:1px solid var(--border); background:var(--card);
}
.score-val {
    font-family:'Bebas Neue',sans-serif; font-size:56px;
    letter-spacing:2px; line-height:1;
}
.score-info { flex:1; }
.score-label-big {
    font-family:'Bebas Neue',sans-serif; font-size:22px; letter-spacing:2px;
}
.score-desc {
    font-size:13px; color:var(--text2); margin-top:4px; font-weight:300;
}
.score-bars { display:flex; flex-direction:column; gap:8px; margin-top:12px; }
.score-bar-row {
    display:flex; align-items:center; gap:10px; font-size:12px; color:var(--text2);
}
.score-bar-label { min-width:110px; }
.score-bar-track {
    flex:1; height:4px; background:var(--border);
    border-radius:2px; overflow:hidden;
}
.score-bar-fill { height:100%; border-radius:2px; transition:width 0.8s ease; }
.score-bar-val { min-width:32px; text-align:right; }

/* ── ACTIVE PLAN BANNER ──────────────────────── */
.active-plan-banner {
    background:var(--accent-glow); border:1px solid var(--accent);
    border-radius:12px; padding:16px 20px; margin-bottom:24px;
    display:flex; align-items:center; justify-content:space-between;
}
.active-plan-text { font-size:14px; color:var(--text); }
.active-plan-text strong { color:var(--accent); }
.active-plan-date { font-size:12px; color:var(--text2); margin-top:4px; }
.reset-btn {
    font-size:13px; color:var(--text3); background:none;
    border:1px solid var(--border); border-radius:6px;
    padding:6px 14px; cursor:pointer; transition:all 0.2s;
}
.reset-btn:hover { color:var(--text); border-color:var(--text3); }

/* ── LOADING ─────────────────────────────────── */
.loading-overlay {
    display:none; position:fixed; inset:0;
    background:rgba(0,0,0,0.6); backdrop-filter:blur(4px);
    z-index:200; align-items:center; justify-content:center;
    flex-direction:column; gap:16px;
}
.loading-overlay.active { display:flex; }
.loading-spinner {
    width:48px; height:48px; border:2px solid var(--border);
    border-top-color:var(--accent); border-radius:50%;
    animation:spin 0.8s linear infinite;
}
.loading-text {
    font-family:'Bebas Neue',sans-serif; font-size:18px;
    letter-spacing:3px; color:var(--accent);
}
@keyframes spin { to { transform:rotate(360deg); } }

/* ── NO DATA ─────────────────────────────────── */
.no-data {
    color:var(--text3); font-size:14px; font-style:italic;
    text-align:center; padding:40px 0;
}

/* ── MOBILE BOTTOM NAV ───────────────────────── */
.mobile-bottom-nav {
    display:none;
    position:fixed; bottom:0; left:0; right:0; z-index:200;
    background:var(--bg); border-top:1px solid var(--border);
    padding:8px 0 env(safe-area-inset-bottom, 8px);
}
.mobile-bottom-nav .mbn-inner {
    display:flex; justify-content:space-around; align-items:center;
}
.mbn-item {
    display:flex; flex-direction:column; align-items:center; gap:3px;
    text-decoration:none; color:var(--text3);
    font-size:10px; font-weight:500; letter-spacing:0.04em;
    padding:6px 12px; border-radius:8px; transition:color 0.2s;
    flex:1; text-align:center;
}
.mbn-item svg { width:22px; height:22px; stroke:currentColor; fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.mbn-item.active { color:var(--accent); }
.mbn-item:hover { color:var(--text); }

/* ── RESPONSIVE ──────────────────────────────── */
@media(max-width:640px) {
    /* Layout */
    nav { padding:12px 16px; }
    .container { padding:20px 16px 80px; }
    .page-header { margin-bottom:24px; }
    .page-header h1 { font-size:36px; letter-spacing:2px; }
    .page-header p { font-size:13px; }
    .form-grid { grid-template-columns:1fr; }

    /* Nav — hide desktop links and username, show mobile nav */
    .nav-links { display:none; }
    .nav-user { display:none; }
    .mobile-bottom-nav { display:block; }

    /* Buttons full-width */
    .submit-btn { width:100%; text-align:center; padding:14px 20px; }

    /* Active plan banner — stack vertically */
    .active-plan-banner { flex-direction:column; align-items:flex-start; gap:10px; }
    .reset-btn { align-self:flex-end; }

    /* Score banner — stack */
    .score-banner { flex-direction:column; align-items:flex-start; gap:10px; padding:16px; }
    .score-val { font-size:44px; }
    .score-bar-label { min-width:80px; font-size:11px; }

    /* Option chips — touch-friendly */
    .option-chip { padding:10px 12px; }
    .option-chip-text { font-size:13px; }
    .food-chip { padding:8px 10px; }
    .food-chip-name { font-size:13px; }

    /* Divider */
    .divider { margin:28px 0 20px; }
}

/* ── TABULAR FIGURES (data alignment) ────────── */
.stat-value, .stat-unit,
.score-val, .score-bar-val {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
}

/* ── ACCESSIBLE FOCUS (keyboard) ─────────────── */
a:focus-visible,
button:focus-visible,
.submit-btn:focus-visible,
.option-chip:focus-visible,
.food-chip:focus-visible,
.theme-toggle:focus-visible,
.nav-link:focus-visible {
    outline:2px solid var(--accent);
    outline-offset:2px;
    border-radius:8px;
}
input:focus-visible,
select:focus-visible,
textarea:focus-visible { outline:none; }

/* ── REDUCED MOTION ──────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration:0.001ms !important;
        animation-iteration-count:1 !important;
        transition-duration:0.001ms !important;
        scroll-behavior:auto !important;
    }
}