:root {
    --color-primary: #000000;
    --color-secondary: #1a1a1a;
    --color-accent: #D4AF37;
    /* Gold */
    --color-accent-hover: #b39226;
    --color-text: #e0e0e0;
    --color-text-muted: #a0a0a0;
    --color-bg: #121212;
    --color-bg-card: #1e1e1e;
    --border-color: #333;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --font-family: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--color-accent-hover);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Luxury */
header {
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
    border-bottom: 2px solid var(--color-accent);
    padding: 1.5rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: radial-gradient(circle at center, #1a1a1a 0%, #000000 100%);
    background-size: cover;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    background: rgba(20, 20, 20, 0.95);
    border: 1px solid #333;
    border-radius: 15px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.8), 0 0 10px rgba(212, 175, 55, 0.1);
    backdrop-filter: blur(10px);
}

.login-header img {
    animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        filter: drop-shadow(0 0 5px rgba(212, 175, 55, 0.3));
    }

    50% {
        transform: scale(1.02);
        filter: drop-shadow(0 0 15px rgba(212, 175, 55, 0.6));
    }

    100% {
        transform: scale(1);
        filter: drop-shadow(0 0 5px rgba(212, 175, 55, 0.3));
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-section {
    display: flex;
    flex-direction: column;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

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

.clock-section {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-text);
    text-align: center;
    border: 1px solid var(--border-color);
    padding: 5px 15px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.3);
}

.user-section {
    text-align: right;
    font-size: 0.9rem;
}

.user-role {
    color: var(--color-accent);
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* Navigation */
nav {
    margin-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 15px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    justify-content: center;
}

nav a {
    color: var(--color-text);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
}

nav a:hover,
nav ul li a:hover,
nav ul li a.active {
    color: var(--color-accent);
}

nav a.active {
    border-bottom-color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--color-accent);
    color: var(--color-primary);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.3s, transform 0.2s;
}

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

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-secondary:hover {
    background-color: rgba(212, 175, 55, 0.1);
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}

/* Cards */
.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.card h2 {
    color: var(--color-accent);
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: var(--color-text-muted);
}

input,
select,
textarea {
    width: 100%;
    padding: 10px;
    background-color: var(--color-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--color-text);
    font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 5px rgba(212, 175, 55, 0.5);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th,
td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--color-secondary);
    color: var(--color-accent);
}

tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Alerts */
.alert {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.2);
    border-color: #28a745;
    color: #a3cfbb;
}

.alert-error {
    background-color: rgba(220, 53, 69, 0.2);
    border-color: #dc3545;
    color: #f1aeb5;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Login Page */
.login-container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.login-card {
    width: 100%;
    max-width: 400px;
    border-top: 4px solid var(--color-accent);
}

.brand-title {
    text-align: center;
    color: var(--color-accent);
    margin-bottom: 20px;
    font-size: 2rem;
    text-transform: uppercase;
}

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

    header,
    footer,
    .no-print {
        display: none !important;
    }

    .container {
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 0;
    }

    .card {
        border: none;
        box-shadow: none;
        padding: 0;
    }

    .invoice-box {
        max-width: 800px;
        margin: auto;
        padding: 30px;
        border: 1px solid #eee;
        font-size: 16px;
        line-height: 24px;
        color: #555;
    }

    .invoice-box table {
        width: 100%;
        line-height: inherit;
        text-align: left;
    }

    .invoice-box table td {
        padding: 5px;
        vertical-align: top;
    }

    .invoice-box table tr td:nth-child(2) {
        text-align: right;
    }

    .invoice-box table tr.top table td {
        padding-bottom: 20px;
    }

    .invoice-box table tr.heading td {
        background: #eee;
        border-bottom: 1px solid #ddd;
        font-weight: bold;
    }

    .invoice-box table tr.item td {
        border-bottom: 1px solid #eee;
    }

    .invoice-box table tr.total td:nth-child(2) {
        border-top: 2px solid #eee;
        font-weight: bold;
    }
}