/*
 * Modern Theme CSS for Loto Boat Rental System
 * Provides consistent, modern UX across all pages
 */

/* ===== ROOT VARIABLES ===== */
:root {
    --primary-color: #4CAF50;
    --primary-hover: #45a049;
    --primary-dark: #3d8b40;
    --secondary-color: #2196F3;
    --danger-color: #ff4444;
    --danger-hover: #ff6b6b;
    --warning-color: #ffa500;
    --success-color: #4CAF50;

    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #2a2a2a;
    --bg-input: #2d2d2d;
    --bg-hover: #333;

    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #999;
    --text-dark: #333;

    --border-color: #444;
    --border-radius: 6px;
    --border-radius-large: 12px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    --transition: all 0.3s ease;
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== CONTAINERS ===== */
.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 30px;
    background: linear-gradient(145deg, var(--bg-card), var(--bg-secondary));
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-lg);
}

.container-sm {
    max-width: 650px;
}

.container-md {
    max-width: 900px;
}

.container-fluid {
    max-width: 1400px;
    padding: 20px;
}

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    color: var(--primary-color);
}

.card-body {
    padding: 10px 0;
}

.card-footer {
    padding-top: 15px;
    margin-top: 15px;
    border-top: 1px solid var(--border-color);
}

/* ===== GRID SYSTEM ===== */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

h1 {
    font-size: 32px;
    text-align: center;
    margin-bottom: 30px;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

.text-center {
    text-align: center;
}

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

.text-small {
    font-size: 12px;
}

.text-primary {
    color: var(--primary-color);
}

.text-danger {
    color: var(--danger-color);
}

.text-warning {
    color: var(--warning-color);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
}

.required {
    color: var(--danger-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="tel"],
input[type="url"],
textarea,
select {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background-color: var(--bg-input);
    color: var(--text-primary);
    font-size: 15px;
    transition: var(--transition);
    font-family: inherit;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--bg-hover);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

.help-text {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    line-height: 1.5;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-dark));
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(76, 175, 80, 0.4);
}

.btn-secondary {
    background-color: #555;
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: #666;
    transform: translateY(-2px);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 68, 68, 0.3);
}

.btn-danger:hover {
    background-color: var(--danger-hover);
    transform: translateY(-2px);
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background-color: #ff8c00;
    transform: translateY(-2px);
}

.btn-info {
    background-color: var(--secondary-color);
    color: white;
}

.btn-info:hover {
    background-color: #1976D2;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-group {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.btn-group .btn {
    flex: 1;
}

/* ===== ALERTS ===== */
.alert {
    padding: 14px 16px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error,
.error {
    color: var(--danger-hover);
    background: rgba(255, 68, 68, 0.1);
    border-left: 4px solid var(--danger-color);
}

.alert-success,
.success {
    color: var(--success-color);
    background: rgba(76, 175, 80, 0.1);
    border-left: 4px solid var(--success-color);
}

.alert-warning {
    color: var(--warning-color);
    background: rgba(255, 165, 0, 0.1);
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    color: var(--secondary-color);
    background: rgba(33, 150, 243, 0.1);
    border-left: 4px solid var(--secondary-color);
}

/* ===== TABLES ===== */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
}

thead {
    background: var(--bg-secondary);
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

tr:hover {
    background: var(--bg-hover);
}

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

/* ===== DASHBOARD STATS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.stat-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    margin: 10px 0;
}

.stat-label {
    color: var(--text-muted);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== DASHBOARD ACTIONS ===== */
.dashboard-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.dashboard-actions .btn {
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: var(--success-color);
    color: white;
}

.badge-danger {
    background: var(--danger-color);
    color: white;
}

.badge-warning {
    background: var(--warning-color);
    color: white;
}

.badge-info {
    background: var(--secondary-color);
    color: white;
}

/* ===== UTILITIES ===== */
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mx-auto { margin-left: auto; margin-right: auto; }

.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }

/* ===== LOADING SPINNER ===== */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top: 3px solid var(--primary-color);
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .container {
        margin: 20px;
        padding: 20px;
    }

    h1 {
        font-size: 24px;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .btn-group {
        flex-direction: column;
    }

    table {
        font-size: 14px;
    }

    th, td {
        padding: 10px;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    body {
        background: white;
        color: black;
    }

    .btn,
    .btn-group,
    header,
    nav {
        display: none;
    }

    .container {
        box-shadow: none;
        margin: 0;
        padding: 0;
    }
}