/* ============================================================
   SwytchAI — Professional Stylesheet
   ============================================================ */

/* ── RESET & BASE ── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: #0f1923;
    color: #e0e0e0;
    line-height: 1.6;
}

a {
    color: #4fc3f7;
    text-decoration: none;
}

a:hover {
    color: #81d4fa;
}

/* ── NAVBAR ── */
.navbar {
    background: linear-gradient(135deg, #1a2332, #243447);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    height: 60px;
    border-bottom: 2px solid #00e676;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #00e676;
    margin-right: 2rem;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-link {
    color: #b0bec5;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-badge {
    background: rgba(0, 230, 118, 0.15);
    color: #00e676;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.logout-link {
    color: #ef5350 !important;
}

/* ── CONTAINER ── */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* ── PAGE HEADER ── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 1.8rem;
    color: #ffffff;
}

.page-header p {
    color: #78909c;
    font-size: 0.95rem;
    width: 100%;
}

/* ── ALERTS ── */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideDown 0.3s ease;
}

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

.alert-success { background: rgba(0, 230, 118, 0.15); border-left: 4px solid #00e676; color: #00e676; }
.alert-danger { background: rgba(239, 83, 80, 0.15); border-left: 4px solid #ef5350; color: #ef5350; }
.alert-warning { background: rgba(255, 167, 38, 0.15); border-left: 4px solid #ffa726; color: #ffa726; }
.alert-info { background: rgba(79, 195, 247, 0.15); border-left: 4px solid #4fc3f7; color: #4fc3f7; }

.alert-close {
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0.7;
}

.alert-close:hover {
    opacity: 1;
}

/* ── STATS GRID ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, #1e2d3d, #253746);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-3px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
}

.stat-label {
    font-size: 0.85rem;
    color: #78909c;
    margin-top: 0.3rem;
}

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

.stat-pending .stat-number { color: #ffa726; }
.stat-approved .stat-number { color: #00e676; }
.stat-rejected .stat-number { color: #ef5350; }

/* ── CARDS ── */
.card {
    background: #1a2736;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-header h2 {
    font-size: 1.2rem;
    color: #ffffff;
}

.card-body {
    padding: 1.5rem;
}

/* ── CONTENT GRID ── */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* ── TABLES ── */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    text-align: left;
    padding: 0.8rem 1rem;
    color: #78909c;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.table td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* ── BADGES ── */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-vendor {
    background: rgba(79, 195, 247, 0.15);
    color: #4fc3f7;
    border: 1px solid rgba(79, 195, 247, 0.3);
}

.badge-pending {
    background: rgba(255, 167, 38, 0.15);
    color: #ffa726;
    border: 1px solid rgba(255, 167, 38, 0.3);
}

.badge-approved {
    background: rgba(0, 230, 118, 0.15);
    color: #00e676;
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.badge-rejected {
    background: rgba(239, 83, 80, 0.15);
    color: #ef5350;
    border: 1px solid rgba(239, 83, 80, 0.3);
}

/* ── BUTTONS ── */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: #e0e0e0;
    transition: all 0.2s;
    text-decoration: none;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.btn-primary {
    background: linear-gradient(135deg, #00c853, #00e676);
    color: #0f1923;
    border: none;
    font-weight: 600;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #00e676, #69f0ae);
    color: #0f1923;
}

.btn-success {
    background: rgba(0, 230, 118, 0.15);
    color: #00e676;
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.btn-success:hover {
    background: rgba(0, 230, 118, 0.25);
}

.btn-danger {
    background: rgba(239, 83, 80, 0.15);
    color: #ef5350;
    border: 1px solid rgba(239, 83, 80, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 83, 80, 0.25);
}

.btn-warning {
    background: rgba(255, 167, 38, 0.15);
    color: #ffa726;
    border: 1px solid rgba(255, 167, 38, 0.3);
}

.btn-warning:hover {
    background: rgba(255, 167, 38, 0.25);
}

.btn-sm {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* ── FORMS ── */
.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: #b0bec5;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #0f1923;
    color: #e0e0e0;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00e676;
}

.form-group textarea {
    resize: vertical;
    font-family: 'Courier New', monospace;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* ── LOGIN PAGE ── */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-card {
    background: #1a2736;
    border-radius: 16px;
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 2.5rem;
    color: #00e676;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #78909c;
    font-size: 0.95rem;
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    color: #546e7a;
    font-size: 0.85rem;
}

/* ── DEVICE GRID ── */
.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.device-card {
    background: #1a2736;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: transform 0.2s;
}

.device-card:hover {
    transform: translateY(-3px);
}

.device-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.device-header h3 {
    color: #ffffff;
    font-size: 1rem;
}

.device-body {
    padding: 1.2rem 1.5rem;
}

.device-body p {
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    color: #90a4ae;
}

.device-actions {
    padding: 1rem 1.5rem;
    display: flex;
    gap: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.fact-card {
    background: #1a2736;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.fact-label {
    color: #78909c;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.fact-value {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
}

/* ── INTERFACE LIST ── */
.interface-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* ── CONFIG VIEW ── */
.config-view {
    background: #0a1017;
    color: #69f0ae;
    padding: 1.5rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 600px;
    overflow-y: auto;
    line-height: 1.5;
}

.config-preview {
    background: #0a1017;
    color: #b0bec5;
    padding: 1rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    white-space: pre-wrap;
}

.config-preview-row td {
    padding: 0 1rem 0.8rem 1rem !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
}

details summary {
    cursor: pointer;
    color: #4fc3f7;
    font-size: 0.85rem;
}

details summary:hover {
    color: #81d4fa;
}

/* ── DIFF VIEW ── */
.diff-view {
    background: #0a1017;
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    max-height: 600px;
    overflow-y: auto;
}

.diff-added {
    background: rgba(0, 230, 118, 0.1);
    color: #69f0ae;
    padding: 2px 8px;
    border-left: 3px solid #00e676;
}

.diff-removed {
    background: rgba(239, 83, 80, 0.1);
    color: #ef5350;
    padding: 2px 8px;
    border-left: 3px solid #ef5350;
}

.diff-info {
    color: #4fc3f7;
    padding: 2px 8px;
    margin-top: 0.5rem;
}

.diff-context {
    color: #546e7a;
    padding: 2px 8px;
}

/* ── QUICK ACTIONS ── */
.quick-actions {
    margin-top: 2rem;
}

.quick-actions h2 {
    color: #ffffff;
    margin-bottom: 1rem;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.action-card {
    background: linear-gradient(135deg, #1e2d3d, #253746);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s;
    cursor: pointer;
    display: block;
    text-decoration: none;
}

.action-card:hover {
    transform: translateY(-3px);
    border-color: #00e676;
    background: linear-gradient(135deg, #243447, #2d4256);
}

.action-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.action-label {
    color: #e0e0e0;
    font-size: 0.95rem;
    font-weight: 500;
}

/* ── AI ASSISTANT ── */
.ai-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 1.5rem;
    height: calc(100vh - 200px);
}

.ai-chat {
    display: flex;
    flex-direction: column;
    background: #1a2736;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.chat-message {
    margin-bottom: 1rem;
    display: flex;
}

.chat-message.user {
    justify-content: flex-end;
}

.chat-message.user .message-content {
    background: linear-gradient(135deg, #00c853, #00e676);
    color: #0f1923;
    border-radius: 12px 12px 0 12px;
    max-width: 70%;
}

.chat-message.bot .message-content {
    background: #253746;
    color: #e0e0e0;
    border-radius: 12px 12px 12px 0;
    max-width: 80%;
}

.message-content {
    padding: 1rem 1.2rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.message-content ul {
    margin: 0.5rem 0 0 1.2rem;
}

.message-content li {
    margin-bottom: 0.3rem;
}

.chat-input-container {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.vendor-select {
    padding: 0.7rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #0f1923;
    color: #e0e0e0;
    font-size: 0.85rem;
}

.chat-input {
    flex-grow: 1;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #0f1923;
    color: #e0e0e0;
    font-size: 0.95rem;
}

.chat-input:focus {
    outline: none;
    border-color: #00e676;
}

.config-output {
    background: #0a1017;
    color: #69f0ae;
    padding: 1rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    margin: 0.5rem 0;
    white-space: pre-wrap;
}

/* ── AI SIDEBAR ── */
.ai-sidebar {
    background: #1a2736;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    overflow-y: auto;
}

.ai-sidebar h3 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.command-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 0.8rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.command-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: #00e676;
}

.command-name {
    color: #e0e0e0;
    font-size: 0.85rem;
    font-weight: 500;
}

.command-keywords {
    color: #546e7a;
    font-size: 0.75rem;
    margin-top: 0.2rem;
}

/* ── EMPTY STATE ── */
.empty-state {
    text-align: center;
    color: #546e7a;
    padding: 2rem;
    font-size: 0.95rem;
}

/* ── ACTION BUTTONS ── */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0f1923;
}

::-webkit-scrollbar-thumb {
    background: #37474f;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #546e7a;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        height: auto;
        padding: 0.5rem 1rem;
    }

    .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding: 0.5rem 0;
    }

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

    .ai-container {
        grid-template-columns: 1fr;
        height: auto;
    }

    .ai-sidebar {
        max-height: 200px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── NOTIFICATIONS ── */
.notification-bell {
    position: relative;
    font-size: 1.3rem;
    padding: 0.3rem 0.5rem !important;
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -4px;
    background: #ef5350;
    color: #ffffff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    line-height: 1.2;
}

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

.notification-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    background: #1a2736;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s;
}

.notification-item.unread {
    border-left: 4px solid #00e676;
    background: linear-gradient(135deg, #1e2d3d, #253746);
}

.notification-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.notification-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.notification-content {
    flex-grow: 1;
}

.notification-title {
    color: #ffffff;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.notification-message {
    color: #b0bec5;
    font-size: 0.9rem;
    line-height: 1.4;
}

.notification-time {
    color: #546e7a;
    font-size: 0.8rem;
    margin-top: 0.4rem;
}

.notification-actions {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
    align-items: flex-start;
}