/* --- ZÁKLADNÍ NASTAVENÍ A PROMĚNNÉ --- */
:root {
    --bg-dark: #0f1923;
    --bg-card: #172535;
    --border: #30445c;
    --text-main: #f9f9f9;
    --text-muted: #a0afc0;
    --accent: #00ffaa; /* Neonová mintová pro aktivní prvky */
    --accent-hover: #00cc88;
    --danger: #ff4655;
    --font-heading: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    padding: 15px;
    line-height: 1.5;
}

#app {
    max-width: 1000px;
    margin: 0 auto;
}

/* --- LOGIKA ZOBRAZOVÁNÍ STRÁNEK (VIEWS) --- */
.view {
    display: none;
}
.view.active {
    display: block;
}

/* --- KOMPONENTY: KROKOVÝ PRŮVODCE (SETUP) --- */
.setup-container {
    background-color: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 30px 20px;
    margin-top: 40px;
}

.setup-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo-mark {
    background: var(--accent);
    color: var(--bg-dark);
    font-family: var(--font-heading);
    font-weight: 800;
    display: inline-block;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 1.5rem;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    margin-top: 10px;
}

.setup-tagline {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Kroky uvnitř setupu */
.step {
    display: none;
}
.step.active {
    display: block;
}

.step-num {
    color: var(--border);
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.step-hint {
    color: var(--text-muted);
    margin-bottom: 15px;
    font-size: 0.9rem;
}

/* Formulářové prvky */
.input-group {
    margin-bottom: 20px;
    position: relative;
}

.input-row {
    display: flex;
    gap: 15px;
}

.input-group.half {
    flex: 1;
}

input[type="text"], input[type="number"], select {
    width: 100%;
    padding: 12px;
    background: var(--bg-dark);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 1rem;
    outline: none;
}

input:focus, select:focus {
    border-color: var(--accent);
}

label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    font-weight: bold;
}

/* Výběr aktivit (Chips) */
.activity-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.activity-chip {
    background: var(--bg-dark);
    border: 2px solid var(--border);
    padding: 10px 16px;
    border-radius: 30px;
    color: var(--text-main);
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.activity-chip.active {
    border-color: var(--accent);
    background: rgba(0, 255, 170, 0.1);
    color: var(--accent);
}

/* Range slider */
.kcal-display {
    text-align: center;
    margin-bottom: 10px;
}

#kcal-value {
    font-size: 2.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--accent);
}

.kcal-unit {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
}

input[type="range"] {
    width: 100%;
    margin: 15px 0;
    accent-color: var(--accent);
}

.kcal-presets {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 20px;
}

.kcal-presets button {
    flex: 1;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 6px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
}

/* Tlačítka */
.btn-next, .btn-primary, .btn-secondary {
    width: 100%;
    padding: 14px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    text-transform: uppercase;
}

.btn-next {
    background: var(--border);
    color: var(--text-main);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-dark);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-main);
}

.step-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 25px;
}

.step-dots .dot {
    width: 8px;
    height: 8px;
    background: var(--border);
    border-radius: 50%;
}

.step-dots .dot.active {
    background: var(--accent);
    width: 20px;
    border-radius: 10px;
}

/* --- DASHBOARD & NAVIGACE --- */
.topnav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-logo {
    background: var(--accent);
    color: var(--bg-dark);
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: bold;
}

.nav-title {
    font-family: var(--font-heading);
    font-weight: 700;
}

.nav-user {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.nav-actions {
    display: flex;
    gap: 10px;
}

.nav-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
}

/* Goal Banner */
.goal-banner {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 25px;
}

.goal-info {
    display: flex;
    justify-content: space-between;
    font-weight: bold;
    margin-bottom: 8px;
}

.goal-bar-wrap {
    background: var(--bg-dark);
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
}

.goal-bar-fill {
    background: var(--accent);
    height: 100%;
    width: 0%;
    transition: width 0.4s ease;
}

.goal-pct {
    display: block;
    text-align: right;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Nadpisy sekcí */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
}

.refresh-btn {
    background: transparent;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-weight: bold;
}

/* Weather strip */
.weather-strip {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 10px;
    margin-bottom: 25px;
}

.weather-card-mini {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 10px;
    border-radius: 8px;
    min-width: 85px;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.w-date { font-size: 0.75rem; color: var(--text-muted); }
.w-icon { font-size: 1.4rem; margin: 4px 0; }
.w-temp { font-weight: bold; }

/* Grid týdenního plánu */
.week-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.day-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.day-card.completed {
    border-color: var(--accent);
    background: rgba(0, 255, 170, 0.02);
}

.day-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.day-card h3 { font-size: 1rem; font-family: var(--font-heading); }
.day-w-badge { font-size: 0.85rem; color: var(--text-muted); }

.act-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.act-icon { font-size: 2rem; }
.act-title { font-weight: bold; }
.act-meta { font-size: 0.85rem; color: var(--text-muted); }

.day-card-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}

.btn-check {
    flex: 2;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
}

.day-card.completed .btn-check {
    background: var(--accent);
    color: var(--bg-dark);
    border-color: var(--accent);
}

.btn-edit-inline {
    flex: 1;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
}

.plan-score-badge {
    font-size: 0.85rem;
    background: var(--bg-card);
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--border);
    color: var(--accent);
}

/* Loading spinery */
.loading-state {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    color: var(--text-muted);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --- MODÁLNÍ OKNO (EDITACE) --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 25, 35, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 100;
}

.modal-overlay.active { display: flex; }

.modal {
    background: var(--bg-card);
    border: 2px solid var(--border);
    width: 100%;
    max-width: 400px;
    border-radius: 12px;
    padding: 20px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-footer {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

/* --- HISTORIE --- */
.back-btn {
    font-family: var(--font-heading);
    color: var(--accent);
}

.history-main {
    margin-top: 20px;
}