/* ============================================================
   FitPlan Pro — Main Stylesheet
   ============================================================ */

:root {
    --primary: #6C63FF;
    --primary-dark: #4C46CC;
    --secondary: #FF6584;
    --accent: #43E97B;
    --accent2: #F7971E;
    --dark: #0D0E1A;
    --dark2: #161728;
    --card-bg: rgba(255,255,255,0.05);
    --card-border: rgba(255,255,255,0.10);
    --text: #E8EAF6;
    --text-muted: #9098C8;
    --success: #43E97B;
    --warning: #FFD166;
    --danger: #EF233C;
    --nav-h: 70px;
    --radius: 18px;
    --radius-sm: 10px;
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
    --glow: 0 0 30px rgba(108,99,255,0.3);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    background: var(--dark);
    color: var(--text);
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== CANVAS BACKGROUND ===== */
#heroCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    z-index: 1000;
    backdrop-filter: blur(20px);
    background: rgba(13,14,26,0.85);
    border-bottom: 1px solid var(--card-border);
    transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: var(--shadow); }

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-family: 'Montserrat', sans-serif;
    color: white;
}
.nav-brand i { color: var(--primary); font-size: 1.5rem; }
.nav-brand strong { color: var(--primary); }

.nav-links {
    list-style: none;
    display: flex;
    gap: 6px;
}
.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-link:hover, .nav-link.active {
    color: white;
    background: rgba(108,99,255,0.25);
}
.nav-link.active { color: var(--primary); }

.hamburger {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.4rem;
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: calc(var(--nav-h) + 40px) 60px 60px;
    gap: 40px;
}

.hero-content { flex: 1; max-width: 580px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(108,99,255,0.2);
    border: 1px solid rgba(108,99,255,0.4);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    animation: fadeInDown 0.6s ease;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    color: white;
    margin-bottom: 12px;
    animation: fadeInDown 0.7s ease;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 12px;
    animation: fadeInDown 0.8s ease;
}

.hero-desc {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 30px;
    animation: fadeInDown 0.9s ease;
}

.hero-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    animation: fadeInDown 1s ease;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    min-width: 90px;
    transition: transform 0.2s;
}
.hero-stat:hover { transform: translateY(-3px); }
.stat-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}
.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--glow);
    transition: all 0.3s;
    animation: fadeInUp 1.1s ease;
}
.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 50px rgba(108,99,255,0.5);
}

/* Hero Visual */
.hero-visual {
    flex: 0 0 auto;
    position: relative;
    animation: fadeInRight 1s ease;
}

.body-silhouette {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

#bodyCanvas {
    filter: drop-shadow(0 0 40px rgba(108,99,255,0.4));
}

.muscle-labels { position: absolute; top: 0; left: 0; right: 0; bottom: 0; }

.muscle-tag {
    position: absolute;
    background: rgba(108,99,255,0.85);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    animation: pulse-tag 2s infinite;
    cursor: default;
}

.tag-shoulder { top: 28%; left: -70px; }
.tag-back { top: 44%; right: -75px; }
.tag-core { top: 60%; left: -65px; }
.tag-legs { bottom: 15%; right: -65px; }

@keyframes pulse-tag {
    0%, 100% { box-shadow: 0 0 0 0 rgba(108,99,255,0.6); }
    50% { box-shadow: 0 0 0 6px rgba(108,99,255,0); }
}

/* ===== PAGES WRAPPER ===== */
.pages-wrapper {
    position: relative;
    z-index: 1;
    padding: 20px 32px 60px;
    min-height: 100vh;
}

.page { display: none; }
.page.active { display: block; animation: fadeIn 0.4s ease; }

.page-header {
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--card-border);
}
.page-header h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
}
.page-header h2 i { color: var(--primary); }
.page-header p { color: var(--text-muted); margin-top: 6px; font-size: 0.95rem; }

/* ===== CARDS ===== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 24px;
    backdrop-filter: blur(12px);
    transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.card-title {
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-title i { color: var(--primary); }
.card-wide { grid-column: span 2; }

/* ===== DASHBOARD GRID ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Profile */
.profile-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.profile-item {
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.profile-label { font-size: 0.75rem; color: var(--text-muted); }
.profile-value {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}
.bmi-value { color: var(--warning); }
.green-text { color: var(--accent); }

/* Today Plan */
.today-plan { min-height: 120px; }
.today-exercise {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    font-size: 0.9rem;
    transition: background 0.2s;
}
.today-exercise:hover { background: rgba(108,99,255,0.15); }
.today-exercise i { color: var(--primary); font-size: 1.1rem; width: 20px; text-align: center; }
.today-rest {
    text-align: center;
    padding: 20px;
    color: var(--accent);
    font-size: 1rem;
    font-weight: 600;
}
.today-rest i { font-size: 2rem; display: block; margin-bottom: 8px; }

/* Progress Ring */
.progress-ring-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10px 0;
}
.ring-center {
    position: absolute;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.ring-center span {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
}
.ring-center small { color: var(--text-muted); font-size: 0.75rem; }
.ring-label {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 8px;
}

/* Phase Timeline */
.phase-timeline { display: flex; flex-direction: column; gap: 12px; }
.phase-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--card-border);
    transition: all 0.3s;
}
.phase-item:hover, .active-phase {
    border-left-color: var(--primary);
    background: rgba(108,99,255,0.08);
}
.phase-icon {
    width: 40px;
    height: 40px;
    background: rgba(108,99,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}
.phase-info { flex: 1; }
.phase-info strong { display: block; color: white; font-size: 0.9rem; margin-bottom: 2px; }
.phase-info p { color: var(--text-muted); font-size: 0.8rem; }
.phase-badge {
    background: rgba(108,99,255,0.2);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
}

/* Weight Tracker */
.weight-input-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}
.weight-input-row input {
    flex: 1;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--card-border);
    color: white;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}
.weight-input-row input:focus { border-color: var(--primary); }
.btn-add {
    background: linear-gradient(135deg, var(--accent), #38c060);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}
.btn-add:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(67,233,123,0.3); }

/* Tip Box */
.tip-box {
    background: rgba(108,99,255,0.1);
    border: 1px solid rgba(108,99,255,0.25);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text);
}
.tip-box i { color: var(--warning); margin-right: 6px; }

/* ===== WEEK 1 STYLES ===== */
.week-intro { margin-bottom: 24px; }
.intro-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.intro-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
}
.intro-item i { font-size: 1.6rem; }
.intro-item div { display: flex; flex-direction: column; gap: 3px; }
.intro-item strong { color: white; font-size: 0.9rem; }
.intro-item span { color: var(--text-muted); font-size: 0.82rem; }
.text-green { color: var(--accent); }
.text-blue { color: #64B5F6; }
.text-orange { color: var(--accent2); }
.text-purple { color: #CE93D8; }

/* Week Schedule */
.week-schedule { display: flex; flex-direction: column; gap: 16px; }

.day-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: transform 0.2s, box-shadow 0.2s;
}
.day-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.day-card.completed-day { border-color: var(--accent); }

.day-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    cursor: pointer;
    background: rgba(255,255,255,0.03);
    transition: background 0.2s;
}
.day-header:hover { background: rgba(108,99,255,0.1); }

.day-header-left { display: flex; align-items: center; gap: 14px; }
.day-number {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
}
.day-number.rest-day {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
}

.day-title { display: flex; flex-direction: column; gap: 2px; }
.day-title strong { color: white; font-size: 1rem; }
.day-title span { color: var(--text-muted); font-size: 0.82rem; }

.day-header-right { display: flex; align-items: center; gap: 12px; }
.day-tags { display: flex; gap: 6px; }
.day-tag {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
}
.tag-strength { background: rgba(108,99,255,0.25); color: var(--primary); }
.tag-cardio { background: rgba(239,35,60,0.2); color: #ff6b6b; }
.tag-rest { background: rgba(67,233,123,0.2); color: var(--accent); }
.tag-mix { background: rgba(247,151,30,0.2); color: var(--accent2); }

.check-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--card-border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
}
.check-btn:hover { border-color: var(--accent); color: var(--accent); }
.check-btn.checked { background: var(--accent); border-color: var(--accent); color: white; }

.day-body {
    display: none;
    padding: 0 20px 20px;
}
.day-body.open { display: block; animation: fadeIn 0.3s ease; }

.exercises-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}
.exercises-table th {
    text-align: left;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 8px 12px;
    border-bottom: 1px solid var(--card-border);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.exercises-table td {
    padding: 10px 12px;
    font-size: 0.88rem;
    color: var(--text);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    vertical-align: middle;
}
.exercises-table tr:last-child td { border-bottom: none; }
.exercises-table tr:hover td { background: rgba(255,255,255,0.03); }
.ex-name { font-weight: 600; color: white; }
.ex-muscle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(108,99,255,0.15);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 600;
}
.ex-sets { color: var(--accent2); font-weight: 600; }
.ex-reps { color: var(--accent); font-weight: 600; }
.ex-rest { color: #64B5F6; }
.ex-notes { color: var(--text-muted); font-size: 0.8rem; font-style: italic; }

/* ===== MONTH 1 STYLES ===== */
.month-grid { display: flex; flex-direction: column; gap: 24px; }

.month-week-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    overflow: hidden;
}
.month-week-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: rgba(108,99,255,0.08);
    border-bottom: 1px solid var(--card-border);
    cursor: pointer;
}
.month-week-header h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
}
.week-intensity-bar {
    display: flex;
    align-items: center;
    gap: 8px;
}
.intensity-label { color: var(--text-muted); font-size: 0.8rem; }
.intensity-dots { display: flex; gap: 4px; }
.intensity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
}
.intensity-dot.active { background: var(--primary); }
.intensity-dot.active.high { background: var(--secondary); }

.month-week-body {
    display: none;
    padding: 20px 24px;
}
.month-week-body.open { display: block; animation: fadeIn 0.3s; }

.day-mini-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.day-mini {
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    padding: 14px;
    text-align: center;
    border: 1px solid var(--card-border);
    transition: all 0.2s;
    cursor: pointer;
}
.day-mini:hover { border-color: var(--primary); background: rgba(108,99,255,0.08); }
.day-mini.completed-mini { border-color: var(--accent); background: rgba(67,233,123,0.05); }

.mini-day-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; text-transform: uppercase; }
.mini-workout-name { font-size: 0.85rem; color: white; font-weight: 600; margin-bottom: 8px; }
.mini-sets { font-size: 0.78rem; color: var(--primary); }
.mini-check {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--card-border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: all 0.2s;
    margin: 8px auto 0;
}
.mini-check:hover { border-color: var(--accent); color: var(--accent); }
.mini-check.checked { background: var(--accent); border-color: var(--accent); color: white; }

/* ===== 6 MONTHS STYLES ===== */
.sixmonth-content { display: flex; flex-direction: column; gap: 24px; }

.month-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 24px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s;
}
.month-card:hover { transform: translateY(-2px); }
.month-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 100%;
}
.month-card.phase-1::before { background: linear-gradient(to bottom, #43E97B, #38f9d7); }
.month-card.phase-2::before { background: linear-gradient(to bottom, #6C63FF, #8B78FF); }
.month-card.phase-3::before { background: linear-gradient(to bottom, #F7971E, #FFD200); }
.month-card.phase-4::before { background: linear-gradient(to bottom, #FF6584, #EF233C); }

.month-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--card-border);
}
.month-card-header h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
}
.month-card-header h3 i { color: var(--primary); }
.month-badge {
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    background: rgba(108,99,255,0.2);
    color: var(--primary);
}

.month-details { display: grid; grid-template-columns: 1fr 2fr; gap: 20px; }

.month-stats-mini { display: flex; flex-direction: column; gap: 10px; }
.stat-mini {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
}
.stat-mini i { color: var(--primary); font-size: 0.95rem; width: 18px; text-align: center; }
.stat-mini-info { display: flex; flex-direction: column; }
.stat-mini-info span { color: var(--text-muted); font-size: 0.72rem; }
.stat-mini-info strong { color: white; font-size: 0.88rem; }

.month-workout-list { display: flex; flex-direction: column; gap: 10px; }
.workout-block {
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    border-left: 3px solid var(--primary);
}
.workout-block h4 { color: white; font-size: 0.9rem; margin-bottom: 6px; }
.workout-block p { color: var(--text-muted); font-size: 0.82rem; line-height: 1.6; }
.workout-block ul { padding-left: 18px; color: var(--text-muted); font-size: 0.82rem; line-height: 1.8; }

.goal-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.goal-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(67,233,123,0.1);
    border: 1px solid rgba(67,233,123,0.25);
    color: var(--accent);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
}

/* ===== PROGRESS PAGE ===== */
.progress-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.badge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 10px;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
    text-align: center;
    transition: all 0.2s;
}
.badge-item.earned {
    border-color: var(--warning);
    background: rgba(255,209,102,0.08);
}
.badge-item i { font-size: 1.8rem; color: var(--text-muted); }
.badge-item.earned i { color: var(--warning); }
.badge-item span { font-size: 0.72rem; color: var(--text-muted); }
.badge-item.earned span { color: var(--warning); font-weight: 600; }

.history-list { display: flex; flex-direction: column; gap: 8px; max-height: 260px; overflow-y: auto; }
.history-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}
.history-item i { color: var(--accent); }
.history-date { color: var(--text-muted); font-size: 0.78rem; margin-left: auto; }

/* Measurement Form */
.measure-form { display: flex; flex-direction: column; gap: 10px; }
.measure-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.measure-row label { width: 80px; color: var(--text-muted); font-size: 0.85rem; flex-shrink: 0; }
.measure-row input {
    flex: 1;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--card-border);
    color: white;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    outline: none;
    transition: border-color 0.2s;
}
.measure-row input:focus { border-color: var(--primary); }
.btn-save {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    align-self: flex-start;
}
.btn-save:hover { transform: translateY(-1px); box-shadow: var(--glow); }

/* ===== HEART ZONE PAGE ===== */
.heart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.hr-calc { display: flex; flex-direction: column; gap: 16px; }
.hr-formula {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
}
.formula-text { color: var(--text-muted); font-size: 0.9rem; }
.formula-result { color: white; font-size: 1.1rem; }
.formula-result strong { color: var(--secondary); font-size: 1.3rem; }

.hr-zones { display: flex; flex-direction: column; gap: 10px; }
.hr-zone {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
    border-left: 4px solid transparent;
    transition: all 0.2s;
}
.hr-zone.zone-1 { border-left-color: #64B5F6; }
.hr-zone.zone-2 { border-left-color: var(--accent); }
.hr-zone.zone-3 { border-left-color: var(--accent2); }
.hr-zone.zone-4 { border-left-color: var(--danger); }
.hr-zone.recommended { background: rgba(67,233,123,0.08); }
.hr-zone.danger { background: rgba(239,35,60,0.06); }

.zone-color {
    width: 14px;
    height: 44px;
    border-radius: 4px;
    flex-shrink: 0;
}
.zone-1 .zone-color { background: #64B5F6; }
.zone-2 .zone-color { background: var(--accent); }
.zone-3 .zone-color { background: var(--accent2); }
.zone-4 .zone-color { background: var(--danger); }

.zone-info { display: flex; flex-direction: column; gap: 2px; }
.zone-info strong { color: white; font-size: 0.88rem; }
.zone-info span { color: var(--primary); font-size: 0.82rem; font-weight: 600; }
.zone-info small { color: var(--text-muted); font-size: 0.75rem; }

/* Pulse Checker */
.pulse-checker { margin-bottom: 16px; }
.pulse-checker p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 10px; }
.pulse-input-row { display: flex; gap: 10px; }
.pulse-input-row input {
    flex: 1;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--card-border);
    color: white;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}
.pulse-input-row input:focus { border-color: var(--primary); }
.btn-check {
    background: linear-gradient(135deg, var(--secondary), #c0392b);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.88rem;
    transition: all 0.2s;
}
.btn-check:hover { transform: translateY(-1px); }

.pulse-result {
    margin-top: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    display: none;
}
.pulse-result.safe { background: rgba(67,233,123,0.15); color: var(--accent); border: 1px solid rgba(67,233,123,0.3); }
.pulse-result.warn { background: rgba(247,151,30,0.15); color: var(--accent2); border: 1px solid rgba(247,151,30,0.3); }
.pulse-result.danger { background: rgba(239,35,60,0.15); color: var(--danger); border: 1px solid rgba(239,35,60,0.3); }

.hr-visual { display: flex; justify-content: center; margin: 10px 0; }

.hr-tips { margin-top: 12px; }
.hr-tips h4 { color: white; font-size: 0.9rem; margin-bottom: 10px; }
.hr-tips ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.hr-tips li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text);
}
.hr-tips li .text-green { color: var(--accent); }

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: rgba(22,23,40,0.95);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    padding: 12px 28px;
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 9999;
    backdrop-filter: blur(16px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.03); }
::-webkit-scrollbar-thumb { background: rgba(108,99,255,0.4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(108,99,255,0.7); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
    .hero { padding: 100px 32px 40px; }
    .hero-visual { display: none; }
    .dashboard-grid, .progress-grid, .heart-grid { grid-template-columns: 1fr; }
    .card-wide { grid-column: span 1; }
    .day-mini-grid { grid-template-columns: repeat(2, 1fr); }
    .month-details { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .navbar { padding: 0 18px; }
    .nav-links {
        position: fixed;
        top: var(--nav-h);
        left: 0; right: 0;
        background: rgba(13,14,26,0.97);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        display: none;
        border-bottom: 1px solid var(--card-border);
        backdrop-filter: blur(20px);
        z-index: 999;
    }
    .nav-links.open { display: flex; }
    .hamburger { display: flex; }
    .hero { padding: 100px 20px 40px; }
    .hero-title { font-size: 2.4rem; }
    .hero-stats { gap: 12px; }
    .pages-wrapper { padding: 14px 14px 40px; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .intro-grid { grid-template-columns: 1fr; }
    .day-mini-grid { grid-template-columns: 1fr 1fr; }
    .badges-grid { grid-template-columns: repeat(3, 1fr); }
    .profile-grid { grid-template-columns: repeat(2, 1fr); }
}

.loading-text { color: var(--text-muted); font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }