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

:root {
    --bg-color: #111b2e;
    --bg-secondary: #162035;
    --glass-bg: rgba(30, 50, 90, 0.55);
    --glass-border: rgba(0, 243, 255, 0.25);
    --neon-cyan: #00f3ff;
    --neon-purple: #bc13fe;
    --neon-blue: #0066ff;
    --neon-green: #00ff88;
    --neon-orange: #ffaa00;
    --neon-red: #ff3860;
    --text-primary: #ffffff;
    --text-secondary: #aabbcc;
    --text-muted: #7788aa;
    --shadow-glow: 0 0 20px rgba(0, 243, 255, 0.25);
    --shadow-glow-purple: 0 0 20px rgba(188, 19, 254, 0.25);
}

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

body {
    font-family: 'Rajdhani', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: linear-gradient(135deg, #0c1a3d 0%, #1a1030 40%, #0d1b2a 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 15% 15%, rgba(0, 102, 255, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 25%, rgba(120, 20, 220, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 85%, rgba(0, 200, 255, 0.1) 0%, transparent 50%),
        linear-gradient(rgba(0, 243, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.04) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    pointer-events: none;
    z-index: -1;
}

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

.navbar {
    background: rgba(12, 26, 61, 0.6);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    border-image: linear-gradient(90deg, rgba(0, 102, 255, 0.4), rgba(188, 19, 254, 0.4), rgba(0, 243, 255, 0.4)) 1;
    padding: 15px 0;
    margin-bottom: 30px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.navbar-brand {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-cyan);
    text-decoration: none;
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.5);
    letter-spacing: 1px;
}

.navbar-nav {
    display: flex;
    gap: 25px;
    list-style: none;
}

.navbar-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    transition: color 0.3s;
    padding: 5px 0;
}

.navbar-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-cyan);
    box-shadow: 0 0 8px var(--neon-cyan);
    transition: width 0.3s;
}

.navbar-nav a:hover {
    color: var(--neon-cyan);
}

.navbar-nav a:hover::after {
    width: 100%;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), 0 8px 32px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 243, 255, 0.3);
}

.card-header {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--neon-cyan);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(0, 243, 255, 0.3);
    border-radius: 6px;
    font-size: 1rem;
    color: var(--text-primary);
    font-family: 'Rajdhani', sans-serif;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.3), inset 0 0 10px rgba(0, 243, 255, 0.08);
    background: rgba(0, 0, 0, 0.35);
}

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

input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    filter: invert(1) brightness(1.2);
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
}

input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
    filter: invert(1) brightness(1.5) drop-shadow(0 0 4px rgba(0, 243, 255, 0.6));
}

.btn {
    display: inline-block;
    padding: 10px 24px;
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'Rajdhani', sans-serif;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    background: rgba(0, 243, 255, 0.08);
    color: var(--neon-cyan);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.8), rgba(0, 243, 255, 0.6));
    color: #fff;
    border: 1px solid rgba(0, 243, 255, 0.4);
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 0 25px rgba(0, 243, 255, 0.5);
    border-color: var(--neon-cyan);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, rgba(0, 200, 100, 0.8), rgba(0, 255, 136, 0.6));
    color: #fff;
    border: 1px solid rgba(0, 255, 136, 0.4);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

.btn-success:hover {
    box-shadow: 0 0 25px rgba(0, 255, 136, 0.4);
    border-color: var(--neon-green);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, rgba(255, 50, 80, 0.8), rgba(255, 100, 120, 0.6));
    color: #fff;
    border: 1px solid rgba(255, 56, 96, 0.4);
    box-shadow: 0 0 15px rgba(255, 56, 96, 0.2);
}

.btn-danger:hover {
    box-shadow: 0 0 25px rgba(255, 56, 96, 0.4);
    border-color: var(--neon-red);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(136, 153, 170, 0.2);
    color: var(--text-secondary);
    border: 1px solid rgba(136, 153, 170, 0.3);
}

.btn-secondary:hover {
    background: rgba(136, 153, 170, 0.3);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid;
    backdrop-filter: blur(8px);
    font-weight: 500;
}

.alert-success {
    background: rgba(0, 255, 136, 0.08);
    color: var(--neon-green);
    border-color: rgba(0, 255, 136, 0.3);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.1);
}

.alert-error {
    background: rgba(255, 56, 96, 0.08);
    color: var(--neon-red);
    border-color: rgba(255, 56, 96, 0.3);
    box-shadow: 0 0 15px rgba(255, 56, 96, 0.1);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid rgba(0, 243, 255, 0.1);
}

.table th {
    background: rgba(0, 243, 255, 0.1);
    font-weight: 700;
    color: var(--neon-cyan);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.table tr:hover {
    background: rgba(0, 243, 255, 0.08);
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid;
}

.badge-normal {
    background: rgba(0, 255, 136, 0.1);
    color: var(--neon-green);
    border-color: rgba(0, 255, 136, 0.3);
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.15);
}

.badge-warning {
    background: rgba(255, 170, 0, 0.1);
    color: var(--neon-orange);
    border-color: rgba(255, 170, 0, 0.3);
    box-shadow: 0 0 8px rgba(255, 170, 0, 0.15);
}

.badge-urgent {
    background: rgba(255, 56, 96, 0.1);
    color: var(--neon-red);
    border-color: rgba(255, 56, 96, 0.3);
    box-shadow: 0 0 8px rgba(255, 56, 96, 0.15);
}

.badge-expired {
    background: rgba(136, 153, 170, 0.1);
    color: var(--text-secondary);
    border-color: rgba(136, 153, 170, 0.3);
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.login-container {
    max-width: 420px;
    margin: 80px auto;
}

.login-container .card {
    border: 1px solid rgba(0, 243, 255, 0.2);
    box-shadow: 0 0 40px rgba(0, 102, 255, 0.1), 0 8px 32px rgba(0, 0, 0, 0.4);
}

.login-container .card-header {
    justify-content: center;
    font-size: 1.3rem;
    color: var(--neon-cyan);
    text-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
}

.actions {
    display: flex;
    gap: 8px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state h3 {
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-family: 'Orbitron', sans-serif;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    opacity: 0.5;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow), 0 8px 32px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 243, 255, 0.3);
}

.stat-card h4 {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.stat-card .number {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--neon-cyan);
    text-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
}

.stat-card-normal .number {
    color: var(--neon-green);
    text-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
}

.stat-card-normal::before {
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
}

.stat-card-warning .number {
    color: var(--neon-orange);
    text-shadow: 0 0 15px rgba(255, 170, 0, 0.4);
}

.stat-card-warning::before {
    background: linear-gradient(90deg, transparent, var(--neon-orange), transparent);
}

.stat-card-urgent .number {
    color: var(--neon-red);
    text-shadow: 0 0 15px rgba(255, 56, 96, 0.4);
}

.stat-card-urgent::before {
    background: linear-gradient(90deg, transparent, var(--neon-red), transparent);
}

.stat-card-expired .number {
    color: var(--text-secondary);
    text-shadow: 0 0 15px rgba(136, 153, 170, 0.4);
}

.stat-card-expired::before {
    background: linear-gradient(90deg, transparent, var(--text-secondary), transparent);
}

a {
    color: var(--neon-cyan);
    transition: color 0.2s;
}

a:hover {
    color: #fff;
    text-shadow: 0 0 8px rgba(0, 243, 255, 0.6);
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 10px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .table th,
    .table td {
        padding: 10px;
        font-size: 0.9rem;
    }

    .actions {
        flex-wrap: wrap;
    }
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 10, 20, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-panel {
    background: rgba(20, 35, 70, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 243, 255, 0.3);
    border-radius: 16px;
    padding: 30px;
    width: 90%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 0 50px rgba(0, 102, 255, 0.2), 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-panel {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-close {
    background: none;
    border: 1px solid rgba(0, 243, 255, 0.3);
    color: var(--neon-cyan);
    font-size: 1.5rem;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    line-height: 1;
}

.modal-close:hover {
    background: rgba(255, 56, 96, 0.2);
    border-color: var(--neon-red);
    color: var(--neon-red);
    box-shadow: 0 0 12px rgba(255, 56, 96, 0.3);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}