/* Nimbus Plasma Control Panel - Styles */

:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #16162a;
    --bg-card: #1e1e3a;
    --bg-hover: #2a2a4a;
    --accent: #6d5dfc;
    --accent-light: #8b7dfd;
    --text-primary: #e0e0f0;
    --text-secondary: #a0a0c0;
    --text-muted: #6a6a8a;
    --border: rgba(255,255,255,0.08);
    --success: #2ecc71;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    --radius: 12px;
    --shadow: 0 8px 32px rgba(0,0,0,0.3);
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

#app {
    display: flex;
    min-height: 100vh;
}

/* ============ Sidebar ============ */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: width 0.3s;
}

.brand {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.brand i {
    font-size: 24px;
    color: var(--accent);
}

.brand span {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-menu {
    list-style: none;
    padding: 16px 12px;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    padding: 14px 16px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 4px;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(109, 93, 252, 0.15);
    color: var(--accent-light);
}

.nav-item i {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--warning);
    animation: pulse 2s infinite;
}

.status.connected .status-dot {
    background: var(--success);
    animation: none;
}

.status.error .status-dot {
    background: var(--danger);
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ============ Main Content ============ */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 24px 32px;
    max-width: calc(100vw - 260px);
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-header h1 i {
    color: var(--accent);
    font-size: 24px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ============ Cards ============ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

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

.stat-card .card-icon {
    font-size: 36px;
    color: var(--accent);
    margin-bottom: 12px;
}

.stat-card h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

/* ============ Toolbar ============ */
.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.search-input:focus {
    border-color: var(--accent);
}

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

.toolbar-info {
    color: var(--text-muted);
    font-size: 13px;
    margin-left: auto;
}

/* ============ Buttons ============ */
.btn {
    padding: 10px 20px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    text-decoration: none;
    color: white;
}

.btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.btn-primary {
    background: var(--accent);
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-success {
    background: var(--success);
}

.btn-warning {
    background: var(--warning);
}

.btn-danger {
    background: var(--danger);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ============ Grids ============ */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.grid-item {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: all 0.2s;
    cursor: pointer;
}

.grid-item:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.grid-item.active-theme {
    border-color: var(--success);
    box-shadow: 0 0 0 1px var(--success);
}

.grid-item-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.grid-item-icon {
    font-size: 32px;
    color: var(--accent);
    width: 48px;
    text-align: center;
}

.grid-item-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.grid-item-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.grid-item-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
}

.grid-item-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.grid-item-actions .btn {
    flex: 1;
    justify-content: center;
    padding: 8px;
    font-size: 13px;
}

/* ============ Widget Builder ============ */
.builder-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.template-card {
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.template-card:hover {
    border-color: var(--accent);
    background: var(--bg-hover);
}

.template-card i {
    font-size: 40px;
    color: var(--accent);
    margin-bottom: 12px;
}

.template-card h4 {
    font-size: 15px;
    margin-bottom: 6px;
}

.template-card p {
    font-size: 13px;
    color: var(--text-secondary);
}

.builder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.form-group {
    flex: 1;
    min-width: 200px;
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-input:focus {
    border-color: var(--accent);
}

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

select.form-input {
    cursor: pointer;
}

.builder-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

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

.toast {
    background: var(--bg-card);
    border-left: 4px solid var(--accent);
    border-radius: 8px;
    padding: 14px 20px;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease;
    max-width: 360px;
    font-size: 14px;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ============ Modal ============ */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 24px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 500px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-close:hover {
    color: var(--text-primary);
}

/* ============ Responsive ============ */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }
    .brand span, .nav-item span {
        display: none;
    }
    .main-content {
        margin-left: 60px;
        max-width: calc(100vw - 60px);
        padding: 16px;
    }
    .cards-grid {
        grid-template-columns: 1fr;
    }
    .grid {
        grid-template-columns: 1fr;
    }
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

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

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
}