/* assets/style.css */

:root {
    --primary: #0d6efd;
    --primary-hover: #0b5ed7;
    --bg-color: #f8fafc; /* Svěží, moderní pozadí pro celý systém */
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --success-bg: #dcfce7;
    --success-text: #166534;
    --error-bg: #fee2e2;
    --error-text: #991b1b;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --radius: 12px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

/* --- Přihlašovací a Obnovovací formuláře (login.php, forgot.php, reset.php) --- */
.login-container {
    max-width: 420px;
    margin: 12vh auto;
    padding: 2.5rem 2rem;
    background-color: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.login-container h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-main);
}

form div {
    margin-bottom: 1.2rem;
}

label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-main);
}

input[type="text"],
input[type="password"],
input[type="email"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-main);
    background-color: var(--card-bg);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.12);
}

button[type="submit"] {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    margin-top: 0.5rem;
}

button[type="submit"]:hover {
    background-color: var(--primary-hover);
}

button[type="submit"]:active {
    transform: scale(0.98);
}

/* --- Upozornění (Alerts / Zprávy nad formulářem) --- */
.success, .error {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.success {
    background-color: var(--success-bg);
    color: var(--success-text);
    border: 1px solid rgba(22, 101, 52, 0.1);
}

.error {
    background-color: var(--error-bg);
    color: var(--error-text);
    border: 1px solid rgba(153, 27, 27, 0.1);
}

/* --- Hlavička Dashboardu (index.php) --- */
header {
    background-color: var(--card-bg);
    padding: 1rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-sync {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.2s;
}

.btn-sync:hover {
    background-color: var(--primary-hover);
}

.btn-sync:disabled {
    background-color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.8;
}

@keyframes spin { 100% { transform: rotate(360deg); } }
.btn-sync.spinning svg { animation: spin 1s linear infinite; }

.btn-logout {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.btn-logout:hover {
    background-color: var(--error-bg);
    color: var(--error-text);
    border-color: var(--error-bg);
}

/* --- Hlavní rozložení Dashboardu --- */
main {
    padding: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

/* --- Karty --- */
.card {
    background-color: var(--card-bg);
    padding: 1.5rem 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.card h3 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-main);
    font-weight: 600;
}

/* Omezení velikosti grafu */
.chart-container {
    position: relative;
    height: 260px;
    width: 100%;
    display: flex;
    justify-content: center;
}

/* Karta pro metriku */
.card-metric {
    display: flex;
    flex-direction: column;
    background: linear-gradient(145deg, #ffffff, #f8fafc);
}

.metric-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.metric-content h2 {
    font-size: 4.5rem;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.metric-content p {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 500;
}

/* --- Tabulka --- */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    white-space: nowrap;
}

th, td {
    padding: 1rem 1.2rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: transparent;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

tbody tr {
    transition: background-color 0.15s;
}

tbody tr:hover {
    background-color: #f8fafc;
}

tbody tr:last-child td {
    border-bottom: none;
}

.text-center { text-align: center; }
.loading-text { color: var(--text-muted); padding: 2rem 0; }

/* --- Odznaky (Badges) --- */
.badge {
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
}

.badge.pass { background-color: var(--success-bg); color: var(--success-text); }
.badge.fail { background-color: var(--error-bg); color: var(--error-text); }
.badge.quarantine { background-color: var(--warning-bg); color: var(--warning-text); }
.badge.none { background-color: #f1f5f9; color: #475569; }