/* Decepticon Dark Theme */
:root {
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --bg-hover: #1a1a2e;
    --purple-primary: #6b21a8;
    --purple-bright: #9333ea;
    --purple-glow: rgba(107, 33, 168, 0.4);
    --silver: #c0c0c0;
    --silver-dark: #808080;
    --text-primary: #e0e0e0;
    --text-muted: #888;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Orbitron', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        radial-gradient(circle at 30% 30%, var(--purple-glow) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(147, 51, 234, 0.1) 0%, transparent 50%),
        var(--bg-dark);
}

.login-container {
    background: var(--bg-card);
    padding: 3rem;
    border: 1px solid var(--purple-primary);
    clip-path: polygon(0 10%, 10% 0, 90% 0, 100% 10%, 100% 90%, 90% 100%, 10% 100%, 0 90%);
    text-align: center;
    box-shadow: 0 0 40px var(--purple-glow);
}

.decepticon-logo {
    margin-bottom: 1.5rem;
}

.logo-svg {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 0 10px var(--purple-primary));
}

.login-title {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.3em;
    color: var(--silver);
    margin-bottom: 2rem;
}

.flash-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.8rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.input-group input {
    width: 100%;
    padding: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--silver-dark);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--purple-primary);
    box-shadow: 0 0 10px var(--purple-glow);
}

.login-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--purple-primary) 0%, var(--purple-bright) 100%);
    border: none;
    color: white;
    font-family: inherit;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.2em;
    cursor: pointer;
    clip-path: polygon(5% 0, 100% 0, 95% 100%, 0 100%);
    transition: transform 0.2s, box-shadow 0.3s;
}

.login-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 0 20px var(--purple-glow);
}

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-card);
    border-bottom: 2px solid var(--purple-primary);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-logo {
    width: 40px;
    height: 40px;
}

.dashboard-header h1 {
    font-size: 1.2rem;
    letter-spacing: 0.3em;
    color: var(--silver);
}

.logout-btn {
    padding: 0.5rem 1.5rem;
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
    font-family: inherit;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: all 0.3s;
}

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

.dashboard-main {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    color: var(--purple-bright);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--purple-primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border: 1px solid var(--silver-dark);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--purple-primary);
}

.stat-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--silver);
    margin-bottom: 0.75rem;
}

.stat-bar {
    height: 6px;
    background: var(--bg-dark);
    border-radius: 3px;
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--purple-primary), var(--purple-bright));
    transition: width 0.5s ease;
    width: 0%;
}

/* GPU Section */
.gpu-section {
    margin-bottom: 2rem;
}

.gpu-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border: 1px solid var(--purple-primary);
    box-shadow: 0 0 20px var(--purple-glow);
}

.gpu-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--purple-bright);
    margin-bottom: 1rem;
}

.gpu-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.gpu-stat-label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.gpu-stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--silver);
}

.vram-bar {
    height: 8px;
}

.gpu-fill {
    background: linear-gradient(90deg, var(--success), var(--warning), var(--danger));
}

/* Containers */
.containers-section {
    margin-bottom: 2rem;
}

.containers-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.container-row {
    display: grid;
    grid-template-columns: 12px 1fr 2fr 100px 40px;
    gap: 1rem;
    align-items: center;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--silver-dark);
    transition: border-color 0.3s;
}

.container-row:hover {
    border-color: var(--purple-primary);
}

.container-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--danger);
}

.container-row.running .container-status {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.container-name {
    font-weight: 700;
    color: var(--silver);
}

.container-image {
    font-size: 0.75rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.container-state {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
}

.restart-btn {
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--purple-primary);
    color: var(--purple-bright);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s;
}

.restart-btn:hover {
    background: var(--purple-primary);
    color: white;
}

.restart-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.loading, .error {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
}

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

/* Responsive */
@media (max-width: 768px) {
    .gpu-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .container-row {
        grid-template-columns: 12px 1fr 80px 40px;
    }
    .container-image {
        display: none;
    }
}