/* CSS Design System - Trading 212 API Dashboard */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --font-family: 'Inter', sans-serif;
    
    /* Harmonický tmavý barevný systém */
    --bg-main: #090d16;
    --bg-mesh: radial-gradient(at 0% 0%, rgba(17, 24, 39, 1) 0, transparent 50%),
                radial-gradient(at 50% 0%, rgba(30, 58, 138, 0.3) 0, transparent 50%),
                radial-gradient(at 100% 0%, rgba(88, 28, 135, 0.2) 0, transparent 50%);
    
    --bg-card: rgba(17, 25, 40, 0.75);
    --bg-card-hover: rgba(26, 37, 58, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-focus: rgba(59, 130, 246, 0.5);
    
    /* Akcenty */
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.35);
    --primary-hover: #2563eb;
    
    /* Finanční barvy */
    --green-up: #10b981;
    --green-up-bg: rgba(16, 185, 129, 0.1);
    --green-up-border: rgba(16, 185, 129, 0.25);
    --red-down: #ef4444;
    --red-down-bg: rgba(239, 68, 68, 0.1);
    --red-down-border: rgba(239, 68, 68, 0.25);
    
    /* Text */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dark: #64748b;
    
    /* Animace */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-main);
    background-image: var(--bg-mesh);
    color: var(--text-main);
    font-family: var(--font-family);
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
}

/* --- ANIMACE --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 15px rgba(59, 130, 246, 0.15); }
    50% { box-shadow: 0 0 25px rgba(59, 130, 246, 0.3); }
}

/* --- POMOCNÉ TŘÍDY --- */
.text-up {
    color: var(--green-up) !important;
}
.text-down {
    color: var(--red-down) !important;
}

.badge-up {
    background: var(--green-up-bg);
    border: 1px solid var(--green-up-border);
    color: var(--green-up);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.85em;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-down {
    background: var(--red-down-bg);
    border: 1px solid var(--red-down-border);
    color: var(--red-down);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.85em;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* --- PŘIHLAŠOVACÍ OBRAZOVKA (index.php) --- */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    width: 100%;
    max-width: 440px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    animation: fadeInUp var(--transition-normal);
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo h1 {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 40%, #93c5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.login-logo span {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    display: block;
    margin-top: 5px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.form-control {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 15px;
    font-family: var(--font-family);
    transition: var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--border-color-focus);
    background: rgba(15, 23, 42, 0.8);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

.alert {
    background: var(--red-down-bg);
    border: 1px solid var(--red-down-border);
    color: var(--red-down);
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: fadeIn var(--transition-fast);
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.5);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(1px);
}

/* --- DASHBOARD (dashboard.php) --- */
.dashboard-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.dashboard-header {
    background: rgba(10, 15, 30, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-section h2 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-section h2 .badge {
    background: var(--primary-glow);
    border: 1px solid var(--primary);
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 4px;
    color: #93c5fd;
    font-weight: 700;
}

.user-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    font-size: 14px;
    color: var(--text-muted);
}

.user-info strong {
    color: var(--text-main);
}

.btn-logout {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--red-down);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-fast);
}

.btn-logout:hover {
    background: var(--red-down);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Main Content */
.dashboard-content {
    flex: 1;
    padding: 40px;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    animation: fadeIn var(--transition-normal);
}

/* API status banner */
.status-banner {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    color: #f59e0b;
    border-radius: 12px;
    padding: 12px 20px;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.status-banner.live {
    background: var(--green-up-bg);
    border: 1px solid var(--green-up-border);
    color: var(--green-up);
}

/* Grid s přehledem */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.overview-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: var(--transition-fast);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
}

.overview-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
}

.overview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    opacity: 0.5;
}

.overview-card.profit::before {
    background: var(--green-up);
}

.overview-card.loss::before {
    background: var(--red-down);
}

.card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.card-value {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -1px;
}

.card-subtext {
    font-size: 12px;
    color: var(--text-dark);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Tabulka akcií */
.dashboard-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.btn-refresh {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-refresh:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.stocks-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.stocks-table th {
    color: var(--text-muted);
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stocks-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.stocks-table tbody tr {
    transition: var(--transition-fast);
}

.stocks-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

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

.ticker-badge {
    font-weight: 700;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 13px;
}

.ticker-name {
    display: flex;
    flex-direction: column;
}

.ticker-market {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Logy přístupů */
.logs-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.logs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.logs-table th {
    color: var(--text-muted);
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.logs-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
}

.logs-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.01);
}

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

.log-action {
    font-weight: 600;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    display: inline-block;
}

.action-login_success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--green-up);
}

.action-login_failed {
    background: rgba(239, 68, 68, 0.15);
    color: var(--red-down);
}

.action-logout {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-muted);
}

.action-unauthorized_attempt {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.action-page_visit {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary);
}

.ip-text {
    font-family: monospace;
    color: var(--text-main);
}

.ua-text {
    max-width: 400px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    color: var(--text-dark);
    font-size: 12px;
    border-top: 1px solid var(--border-color);
    margin-top: 50px;
    background: rgba(10, 15, 30, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-header {
        padding: 16px 20px;
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .user-section {
        width: 100%;
        justify-content: space-between;
    }
    
    .dashboard-content {
        padding: 20px;
    }
    
    .dashboard-section, .logs-section {
        padding: 20px;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .ua-text {
        max-width: 150px;
    }
}