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

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-blue: #3b82f6;
    --accent-blue-glow: rgba(59, 130, 246, 0.3);
    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.3);
    --accent-red: #ef4444;
    --accent-red-glow: rgba(239, 68, 68, 0.3);
    --accent-amber: #f59e0b;
    --accent-amber-glow: rgba(245, 158, 11, 0.3);
    --accent-purple: #8b5cf6;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.06);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --radius: 16px;
    --radius-sm: 10px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ─── Animated background ────────────────────────────── */
.bg-animation {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-animation .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: float 20s ease-in-out infinite;
}

.bg-animation .orb:nth-child(1) {
    width: 600px;
    height: 600px;
    background: var(--accent-blue);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.bg-animation .orb:nth-child(2) {
    width: 500px;
    height: 500px;
    background: var(--accent-purple);
    bottom: -150px;
    right: -100px;
    animation-delay: -7s;
}

.bg-animation .orb:nth-child(3) {
    width: 400px;
    height: 400px;
    background: var(--accent-green);
    top: 50%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.95); }
    75% { transform: translate(40px, 20px) scale(1.05); }
}

/* ─── Login page ─────────────────────────────────────── */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    position: relative;
    z-index: 1;
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-card .logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-card .logo h1 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.login-card .logo p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 6px;
}

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

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

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s, box-shadow 0.3s;
    outline: none;
}

.form-group input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--accent-blue-glow);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.25s ease;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), #2563eb);
    color: white;
    width: 100%;
    padding: 14px;
    font-size: 15px;
}

.btn-primary:hover {
    box-shadow: 0 0 30px var(--accent-blue-glow);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-start {
    background: linear-gradient(135deg, var(--accent-green), #059669);
    color: white;
}

.btn-start:hover {
    box-shadow: 0 0 20px var(--accent-green-glow);
    transform: translateY(-1px);
}

.btn-shutdown {
    background: linear-gradient(135deg, var(--accent-red), #dc2626);
    color: white;
}

.btn-shutdown:hover {
    box-shadow: 0 0 20px var(--accent-red-glow);
    transform: translateY(-1px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.error-msg {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 20px;
    display: none;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ─── Dashboard ──────────────────────────────────────── */
.dashboard {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    padding: 32px;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-header .brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dashboard-header .brand h1 {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-header .brand .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green-glow);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.btn-logout {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 20px;
    font-size: 13px;
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--accent-red);
}

.vm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.vm-card {
    background: var(--bg-card);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, border-color 0.3s ease;
    animation: fadeIn 0.5s ease-out;
}

.vm-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.12);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.vm-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.vm-card-header .vm-info h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.vm-card-header .vm-info .vm-id {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.status-badge .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.status-running {
    background: rgba(16, 185, 129, 0.12);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-running .dot {
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green-glow);
    animation: pulse-dot 2s ease-in-out infinite;
}

.status-stopped {
    background: rgba(239, 68, 68, 0.12);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-stopped .dot {
    background: var(--accent-red);
}

.status-paused {
    background: rgba(245, 158, 11, 0.12);
    color: var(--accent-amber);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-paused .dot {
    background: var(--accent-amber);
}

.status-unknown {
    background: rgba(100, 116, 139, 0.12);
    color: var(--text-muted);
    border: 1px solid rgba(100, 116, 139, 0.2);
}

.status-unknown .dot {
    background: var(--text-muted);
}

.vm-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.stat-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 14px;
}

.stat-item .stat-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.stat-item .stat-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.vm-actions {
    display: flex;
    gap: 12px;
}

.vm-actions .btn {
    flex: 1;
    padding: 11px 16px;
    font-size: 13px;
}

/* ─── Loading spinner ────────────────────────────────── */
.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
    padding: 60px;
    color: var(--text-secondary);
    font-size: 14px;
}

.loading-overlay .spinner {
    width: 32px;
    height: 32px;
    border-width: 3px;
    border-color: rgba(59, 130, 246, 0.3);
    border-top-color: var(--accent-blue);
}

/* ─── Toast notifications ────────────────────────────── */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--bg-card);
    backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    color: var(--text-primary);
    font-size: 13px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease-out;
    max-width: 360px;
}

.toast.success { border-left: 3px solid var(--accent-green); }
.toast.error { border-left: 3px solid var(--accent-red); }

@keyframes slideIn {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 768px) {
    .dashboard { padding: 16px; }
    .dashboard-header { flex-direction: column; gap: 16px; text-align: center; }
    .vm-grid { grid-template-columns: 1fr; }
    .login-card { padding: 32px 24px; }
}