:root {
    --bg: #f5f7f6;
    --card-bg: #ffffff;
    --text: #1b2422;
    --text-muted: #6b7770;
    --primary: #1f8a5f;
    --primary-dark: #166b49;
    --primary-light: #e4f4ec;
    --accent: #ff7a45;
    --accent-dark: #e2652f;
    --danger: #d9534f;
    --warning: #e0a72c;
    --border: #e4e8e6;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 2px 10px rgba(20, 30, 25, 0.06);
    --shadow-md: 0 6px 20px rgba(20, 30, 25, 0.10);
    font-size: 16px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    padding-bottom: 84px;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container {
    max-width: 520px;
    margin: 0 auto;
    padding: 20px 16px 8px;
}

.wide-container { max-width: 900px; margin: 0 auto; padding: 20px 16px 8px; }

/* ===== Top bar ===== */
.topbar {
    max-width: 520px;
    margin: 0 auto;
    padding: 18px 16px 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topbar .brand { font-weight: 700; font-size: 1.05rem; color: var(--primary-dark); letter-spacing: 0.2px; }
.topbar .greeting { font-size: 0.85rem; color: var(--text-muted); }

/* ===== Cards ===== */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}
.card-title {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    font-weight: 700;
    margin: 0 0 12px;
}

/* ===== Hero peso ===== */
.hero-weight {
    text-align: center;
    padding: 6px 0 4px;
}
.hero-weight .big {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.1;
}
.hero-weight .delta {
    margin-top: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
}
.hero-weight .delta.up { color: var(--danger); }

.goal-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 10px;
}
.goal-line strong { color: var(--text); font-size: 1.1rem; }

.progress-track {
    position: relative;
    height: 10px;
    background: var(--border);
    border-radius: 999px;
    margin: 18px 0 6px;
    overflow: visible;
}
.progress-fill {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 999px;
}
.progress-dot {
    position: absolute;
    top: 50%;
    width: 20px; height: 20px;
    background: var(--card-bg);
    border: 4px solid var(--primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: var(--shadow);
}
.progress-labels { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 16px;
}
.stat-box { text-align: center; }
.stat-box .val { font-size: 1.2rem; font-weight: 700; }
.stat-box .lbl { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; margin-top: 2px; }

/* ===== Sections OGGI ===== */
.section-block { margin-bottom: 16px; }
.section-block h3 {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    margin: 0 0 10px;
    font-weight: 700;
}

.workout-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow-md);
    margin-bottom: 16px;
}
.workout-card .duration { font-size: 0.85rem; opacity: 0.85; }
.workout-card .title { font-size: 1.3rem; font-weight: 800; margin: 4px 0 14px; }
.workout-card.done { background: linear-gradient(135deg, #2d3b36, #1b2422); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: 999px;
    padding: 14px 22px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    width: 100%;
}
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:active { background: var(--accent-dark); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-outline { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.btn-light { background: #fff; color: var(--primary-dark); }
.btn-secondary { background: var(--primary-light); color: var(--primary-dark); }
.btn-sm { padding: 9px 14px; font-size: 0.85rem; width: auto; }
.btn-danger { background: var(--danger); color: #fff; }
.btn:disabled { opacity: 0.5; }

.exercise-thumb {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    object-fit: contain;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.meal-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    gap: 10px;
}
.meal-row:last-child { border-bottom: none; }
.meal-type { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); font-weight: 700; }
.meal-name { font-weight: 600; margin-top: 2px; }
.meal-desc { font-size: 0.82rem; color: var(--text-muted); margin-top: 2px; }
.meal-kcal { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }
.meal-check { flex-shrink: 0; }

.macro-row { display: flex; gap: 14px; margin-top: 12px; font-size: 0.78rem; color: var(--text-muted); flex-wrap: wrap; }
.macro-row b { color: var(--text); }

.checklist-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.checklist-item:last-child { border-bottom: none; }
.checklist-item input[type=checkbox] { width: 22px; height: 22px; accent-color: var(--primary); }
.checklist-item label { flex: 1; font-weight: 600; }

.water-row, .move-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.mini-input { width: 90px; padding: 8px; border-radius: 8px; border: 1px solid var(--border); font-size: 0.95rem; }

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group .hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=time], select, textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-size: 1rem;
    background: #fff;
    color: var(--text);
    font-family: inherit;
}
textarea { min-height: 70px; resize: vertical; }
fieldset { border: none; padding: 0; margin: 0 0 20px; }
legend { font-weight: 700; font-size: 1rem; margin-bottom: 10px; color: var(--primary-dark); }

.radio-group { display: flex; gap: 10px; flex-wrap: wrap; }
.radio-pill { flex: 1; min-width: 90px; }
.radio-pill input { display: none; }
.radio-pill span {
    display: block;
    text-align: center;
    padding: 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
}
.radio-pill input:checked + span { background: var(--primary); border-color: var(--primary); color: #fff; }

.auth-wrap { max-width: 380px; margin: 60px auto; padding: 0 20px; }
.auth-logo { text-align: center; font-size: 1.5rem; font-weight: 800; color: var(--primary-dark); margin-bottom: 6px; }
.auth-sub { text-align: center; color: var(--text-muted); margin-bottom: 28px; font-size: 0.9rem; }

.alert { padding: 12px 14px; border-radius: var(--radius-sm); font-size: 0.88rem; margin-bottom: 16px; }
.alert-error { background: #fdecea; color: #a53125; }
.alert-success { background: var(--primary-light); color: var(--primary-dark); }

/* ===== Menu globale ===== */
.menu-trigger {
    background: none;
    border: none;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text);
    padding: 4px 6px;
}
.global-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
}
.global-menu-overlay.open { display: block; }
.global-menu-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(20, 30, 25, 0.45);
    z-index: 1;
}
.global-menu-panel {
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: min(300px, 82vw);
    background: #fff;
    box-shadow: -8px 0 30px rgba(0,0,0,0.15);
    padding: 22px 18px;
    z-index: 2;
    overflow-y: auto;
}
.menu-close {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--text-muted);
}
.global-menu-panel nav { display: flex; flex-direction: column; gap: 4px; }
.global-menu-panel nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 10px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
}
.global-menu-panel nav a span { font-size: 1.2rem; }
.global-menu-panel nav a.active { background: var(--primary-light); color: var(--primary-dark); }

/* ===== Bottom nav ===== */
.bottom-nav {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: #fff;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
    z-index: 50;
}
.bottom-nav a {
    flex: 1;
    text-align: center;
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 600;
    padding: 6px 2px;
}
.bottom-nav a .icon { font-size: 1.3rem; display: block; margin-bottom: 2px; }
.bottom-nav a.active { color: var(--primary); }

/* ===== Fullscreen workout player ===== */
.player-wrap {
    position: fixed; inset: 0;
    background: linear-gradient(160deg, var(--primary-dark), #10261c);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    text-align: center;
    z-index: 100;
}
.player-wrap .step-count { font-size: 0.85rem; opacity: 0.75; letter-spacing: 1px; text-transform: uppercase; }
.player-wrap .ex-image { width: 140px; height: 140px; object-fit: contain; background: rgba(255,255,255,0.92); border-radius: 20px; padding: 10px; margin-top: 14px; }
.player-wrap .ex-name { font-size: 1.9rem; font-weight: 800; margin: 14px 0 10px; }
.player-wrap .ex-instructions { font-size: 1rem; opacity: 0.85; max-width: 340px; margin-bottom: 30px; }
.player-wrap .timer { font-size: 4.2rem; font-weight: 800; font-variant-numeric: tabular-nums; margin-bottom: 26px; }
.player-wrap .player-controls { display: flex; gap: 12px; width: 100%; max-width: 320px; }
.player-wrap .exit-link { position: absolute; top: 20px; right: 20px; font-size: 1.4rem; opacity: 0.8; }
.progress-dots { display: flex; gap: 6px; margin-top: 24px; }
.progress-dots span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.3); }
.progress-dots span.done { background: #fff; }
.progress-dots span.current { background: var(--accent); }

.celebration { text-align: center; padding: 40px 20px; }
.celebration .emoji { font-size: 3.5rem; }
.celebration h2 { font-size: 1.5rem; margin: 12px 0 6px; }

.chart-wrap { width: 100%; height: 220px; }

.streak-row { display: flex; gap: 16px; justify-content: center; text-align: center; margin: 10px 0; }
.streak-box .flame { font-size: 1.8rem; }
.streak-box .val { font-size: 1.3rem; font-weight: 800; }
.streak-box .lbl { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; }

.milestone-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.milestone-row:last-child { border-bottom: none; }
.milestone-row .icon { font-size: 1.3rem; opacity: 0.4; }
.milestone-row.reached .icon { opacity: 1; }
.milestone-row .w { font-weight: 700; flex: 1; }
.milestone-row .lbl { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; }
.milestone-row.reached { color: var(--primary-dark); }

.section-nav { display: flex; gap: 8px; margin-bottom: 16px; overflow-x: auto; }
.section-nav a { padding: 8px 14px; border-radius: 999px; background: var(--card-bg); border: 1px solid var(--border); font-size: 0.82rem; font-weight: 600; white-space: nowrap; color: var(--text-muted); }
.section-nav a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.tomorrow-card { border: 1px dashed var(--primary); background: var(--primary-light); }

@media (min-width: 640px) {
    body { padding-bottom: 24px; }
    .bottom-nav { display: none; }
    .container { max-width: 640px; padding-top: 32px; }
    .topbar { max-width: 640px; }
}