:root {
    --bg-base: #050505;
    --bg-glass: rgba(10, 15, 20, 0.7);
    --border-glass: rgba(0, 255, 170, 0.15);
    --border-glow: rgba(0, 255, 170, 0.5);
    --neon-green: #00ffaa;
    --neon-red: #ff3366;
    --neon-cyan: #00e5ff;
    --text-main: #e0e0e0;
    --text-dim: #6b7a8f;
    --font-main: 'Space Grotesk', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-base);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* CRT / Grid Background Effect */
#matrix-bg {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: 
        linear-gradient(rgba(0, 255, 170, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 170, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    z-index: -1;
    pointer-events: none;
}

#matrix-bg::after {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at center, transparent 30%, var(--bg-base) 100%);
}

.hidden { display: none !important; }

/* Overlay */
.overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(8px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}
.overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* Glass & Cyber Borders */
.cyber-border {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    box-shadow: 0 0 20px rgba(0,0,0,0.8), inset 0 0 10px rgba(0, 255, 170, 0.05);
    backdrop-filter: blur(16px);
    position: relative;
}

.cyber-border::before, .cyber-border::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid var(--neon-green);
    transition: all 0.3s;
}
.cyber-border::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.cyber-border::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }

/* Login Card */
.login-card {
    width: 100%;
    max-width: 420px;
    padding: 3rem 2rem;
    text-align: center;
}

.subtitle {
    color: var(--neon-red);
    font-size: 0.75rem;
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

.logo-glitch, .logo-glitch-small {
    color: var(--neon-cyan);
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}
.logo-glitch { font-size: 2rem; margin-bottom: 0.5rem; }
.logo-glitch-small { font-size: 1.2rem; }

.error-msg {
    color: var(--neon-red);
    font-size: 0.85rem;
    height: 1rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

/* Inputs */
.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}
.input-group input {
    width: 100%;
    background: transparent;
    border: none;
    padding: 12px 0;
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 1rem;
    outline: none;
    letter-spacing: 1px;
}
.input-group input::placeholder { color: var(--text-dim); text-transform: uppercase; }
.input-line {
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    height: 1px;
    background: var(--text-dim);
}
.input-line::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0%;
    height: 1px;
    background: var(--neon-green);
    transition: width 0.3s ease;
}
.input-group input:focus ~ .input-line::after { width: 100%; box-shadow: 0 0 8px var(--neon-green); }

/* Buttons */
.btn {
    font-family: var(--font-main);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cyber-btn {
    width: 100%;
    padding: 14px;
    background: rgba(0, 255, 170, 0.1);
    color: var(--neon-green);
    border: 1px solid var(--neon-green);
    margin-top: 1rem;
}
.cyber-btn:hover {
    background: var(--neon-green);
    color: var(--bg-base);
    box-shadow: 0 0 15px var(--border-glow);
}

.cyber-btn-outline {
    background: transparent;
    color: var(--neon-red);
    border: 1px solid var(--neon-red);
    padding: 8px 16px;
    font-size: 0.8rem;
}
.cyber-btn-outline:hover {
    background: rgba(255, 51, 102, 0.1);
    box-shadow: 0 0 10px rgba(255, 51, 102, 0.4);
}

/* Dashboard Nav */
.cyber-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: var(--bg-glass);
    border-bottom: 1px solid var(--border-glass);
}

.nav-tabs {
    display: flex;
    gap: 2rem;
}
.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-family: var(--font-main);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    padding: 10px 0;
    position: relative;
    transition: color 0.3s;
}
.tab-btn:hover { color: var(--text-main); }
.tab-btn.active { color: var(--neon-cyan); font-weight: 700; }
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    height: 2px;
    background: var(--neon-cyan);
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* Content */
.content {
    padding: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.data-section { display: none; }
.data-section.active { display: block; animation: fadeIn 0.4s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.header-section { margin-bottom: 2rem; }
.header-section h1 {
    font-size: 1.5rem;
    color: var(--text-main);
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}
.terminal-text {
    color: var(--neon-green);
    font-size: 0.9rem;
    font-family: monospace;
}

/* Tables */
.glass-table-container {
    width: 100%;
    overflow-x: auto;
    padding: 1px;
}
table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
th, td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
th {
    color: var(--text-dim);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}
td { font-size: 0.95rem; }
tr:hover { background: rgba(0, 255, 170, 0.03); }

/* Badges */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.badge.EK { background: rgba(215, 25, 32, 0.15); color: #ff4444; border: 1px solid #ff4444; }
.badge.TK { background: rgba(227, 10, 23, 0.15); color: #ff2222; border: 1px solid #ff2222; }
.badge.QR { background: rgba(138, 21, 56, 0.15); color: #ff55bb; border: 1px solid #ff55bb; }
.badge.AL { background: rgba(0, 255, 170, 0.15); color: var(--neon-green); border: 1px solid var(--neon-green); }

.action-btn {
    background: transparent;
    border: none;
    color: var(--neon-red);
    cursor: pointer;
    font-family: monospace;
    font-size: 0.9rem;
    padding: 5px;
}
.action-btn:hover { text-shadow: 0 0 8px var(--neon-red); }