/**
 * BigShield Ink Wash Theme (Thủy Mặc)
 * Elegant minimalist design inspired by traditional ink wash painting
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Ink Wash Color Palette */
    --ink-black: #1a1a1a;
    --ink-dark: #2d2d2d;
    --ink-medium: #4a4a4a;
    --ink-light: #6b6b6b;
    --ink-pale: #8a8a8a;

    /* Paper & Background */
    --paper-white: #f8f6f3;
    --paper-cream: #f0ebe3;
    --paper-warm: #e8e4dc;

    /* Accent Colors */
    --accent-primary: #2c5282;
    --accent-success: #276749;
    --accent-warning: #c05621;
    --accent-danger: #c53030;

    /* Soft Wash Colors */
    --wash-blue: rgba(44, 82, 130, 0.1);
    --wash-green: rgba(39, 103, 73, 0.1);
    --wash-red: rgba(197, 48, 48, 0.1);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--paper-cream);
    color: var(--ink-black);
    line-height: 1.6;
    font-size: 14px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* Header */
.header {
    background: var(--paper-white);
    border-bottom: 1px solid var(--paper-warm);
    padding: 16px 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.header-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink-black);
    letter-spacing: -0.5px;
}

.header-nav {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.nav-link {
    color: var(--ink-medium);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--ink-black);
    background: var(--paper-warm);
}

.nav-link.active {
    color: var(--accent-primary);
    background: var(--wash-blue);
}

/* Cards */
.card {
    background: var(--paper-white);
    border: 1px solid var(--paper-warm);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink-black);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--paper-warm);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--paper-white);
    border: 1px solid var(--paper-warm);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

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

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--ink-black);
    line-height: 1.2;
}

.stat-label {
    font-size: 12px;
    color: var(--ink-light);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.table th {
    background: var(--paper-cream);
    color: var(--ink-medium);
    padding: 12px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--paper-warm);
}

.table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--paper-warm);
    color: var(--ink-dark);
    font-size: 13px;
}

.table tr:hover {
    background: var(--paper-cream);
}

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

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

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

.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--paper-white);
    border: 1px solid var(--paper-warm);
    border-radius: 8px;
    color: var(--ink-black);
    font-family: inherit;
    font-size: 14px;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--wash-blue);
}

.form-input::placeholder {
    color: var(--ink-pale);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

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

.btn-primary:hover {
    background: #234876;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-success:hover {
    background: #1e5238;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-danger:hover {
    background: #a12828;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Terminal / Live Feed */
.terminal {
    background: var(--ink-black);
    border-radius: 8px;
    padding: 16px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 12px;
    max-height: 300px;
    overflow-y: auto;
}

.terminal-line {
    color: var(--ink-pale);
    margin-bottom: 6px;
    padding: 4px 8px;
    border-radius: 4px;
}

.terminal-line.error {
    color: #fc8181;
    background: rgba(197, 48, 48, 0.2);
}

.terminal-line.success {
    color: #68d391;
    background: rgba(39, 103, 73, 0.2);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.badge-success {
    background: var(--wash-green);
    color: var(--accent-success);
}

.badge-danger {
    background: var(--wash-red);
    color: var(--accent-danger);
}

.badge-warning {
    background: rgba(192, 86, 33, 0.1);
    color: var(--accent-warning);
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--paper-cream);
}

.login-box {
    width: 100%;
    max-width: 380px;
    background: var(--paper-white);
    border: 1px solid var(--paper-warm);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.login-title {
    font-size: 24px;
    text-align: center;
    color: var(--ink-black);
    margin-bottom: 32px;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .container {
        padding: 16px;
    }

    .header {
        padding: 12px 16px;
    }

    .header-nav {
        flex-wrap: wrap;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--paper-cream);
}

::-webkit-scrollbar-thumb {
    background: var(--ink-pale);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ink-light);
}

/* Utility classes */
.text-success {
    color: var(--accent-success);
}

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

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

.text-muted {
    color: var(--ink-light);
}

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

/* Alert messages */
.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 13px;
}

.alert-success {
    background: var(--wash-green);
    color: var(--accent-success);
    border: 1px solid rgba(39, 103, 73, 0.2);
}

.alert-danger {
    background: var(--wash-red);
    color: var(--accent-danger);
    border: 1px solid rgba(197, 48, 48, 0.2);
}

/* Select dropdown */
select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6b6b' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Checkbox */
input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border: 2px solid var(--paper-warm);
    border-radius: 4px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

/* Code blocks */
code {
    background: var(--paper-cream);
    padding: 3px 8px;
    border-radius: 4px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 12px;
    color: var(--accent-primary);
}