/* ============================================
   COCKPIT DESIGN SYSTEM - Layout Styles
   Smart Navigator App Layout
   ============================================ */

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

html, body {
    width: 100%;
    height: 100%;
    font-family: var(--cockpit-font-primary);
    background: var(--cockpit-background);
    color: var(--cockpit-text-primary);
}

/* === APP LAYOUT === */
.app-layout {
    display: flex;
    min-height: 100vh;
    background: var(--cockpit-background);
}

/* === SIDEBAR === */
.sidebar {
    width: 220px;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    border-right: 1px solid var(--cockpit-border-subtle);
    display: flex;
    flex-direction: column;
}

.sidebar-logo {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--cockpit-border-subtle);
}

.logo-label {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--cockpit-info);
    text-transform: uppercase;
}

.logo-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--cockpit-info);
    background: linear-gradient(90deg, var(--cockpit-info) 0%, #7dd3fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--cockpit-radius-md);
    color: var(--cockpit-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--cockpit-transition-fast);
}

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

.nav-item.active {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(59, 130, 246, 0.2));
    color: var(--cockpit-info);
    border-left: 3px solid var(--cockpit-info);
    margin-left: -3px;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.nav-item-sub {
    padding-left: 2.5rem;
    font-size: 0.75rem;
}

.nav-item-sub i {
    font-size: 0.5rem;
    opacity: 0.5;
}

.sidebar-footer {
    padding: 0.5rem;
    border-top: 1px solid var(--cockpit-border-subtle);
}

.nav-item-home {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--cockpit-radius-md);
    color: var(--cockpit-text-muted);
    font-size: 0.875rem;
    text-decoration: none;
    transition: all var(--cockpit-transition-fast);
}

.nav-item-home:hover {
    background: rgba(100, 116, 139, 0.1);
    color: var(--cockpit-text-secondary);
}

.nav-item-home div {
    display: flex;
    flex-direction: column;
}

.nav-item-home small {
    font-size: 0.625rem;
    color: var(--cockpit-text-disabled);
}

/* === MAIN CONTENT === */
.main-content {
    flex: 1;
    overflow: auto;
}

.page-container {
    padding: 1.5rem;
}

/* === PAGE HEADER === */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--cockpit-info);
    text-transform: uppercase;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cockpit-text-primary);
    margin-top: 0.25rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.online {
    background: var(--cockpit-active);
    box-shadow: 0 0 8px var(--cockpit-active);
    animation: pulse 2s infinite;
}

.status-dot.offline {
    background: var(--cockpit-critical);
    box-shadow: 0 0 8px var(--cockpit-critical);
}

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

.status-text {
    font-size: 0.75rem;
    font-family: var(--cockpit-font-mono);
    color: var(--cockpit-text-secondary);
}

/* === CARDS === */
.sn-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.8));
    border: 1px solid var(--cockpit-border);
    border-radius: var(--cockpit-radius-lg);
    padding: 1.25rem;
    backdrop-filter: blur(8px);
}

.card-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-row-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--cockpit-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.card-icon-cyan {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(59, 130, 246, 0.2));
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: var(--cockpit-info);
}

.card-icon-purple {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(236, 72, 153, 0.2));
    border: 1px solid rgba(168, 85, 247, 0.3);
    color: #a855f7;
}

.card-icon-amber {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(249, 115, 22, 0.2));
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--cockpit-caution);
}

.card-content {
    flex: 1;
}

.card-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--cockpit-text-secondary);
    text-transform: uppercase;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cockpit-text-primary);
    margin-top: 0.25rem;
}

.status-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.status-circle-active {
    background: rgba(0, 255, 0, 0.1);
    border: 2px solid rgba(0, 255, 0, 0.4);
    color: var(--cockpit-active);
}

.status-circle-caution {
    background: rgba(255, 153, 0, 0.1);
    border: 2px solid rgba(255, 153, 0, 0.4);
    color: var(--cockpit-caution);
}

.status-circle-critical {
    background: rgba(255, 0, 0, 0.1);
    border: 2px solid rgba(255, 0, 0, 0.4);
    color: var(--cockpit-critical);
}

/* === SECTIONS === */
.sn-section {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.6), rgba(15, 23, 42, 0.8));
    border: 1px solid var(--cockpit-border);
    border-radius: var(--cockpit-radius-lg);
    padding: 1.25rem;
}

.section-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--cockpit-text-secondary);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

/* === QUICK ACTIONS === */
.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--cockpit-border);
    border-radius: var(--cockpit-radius-lg);
    color: var(--cockpit-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--cockpit-transition-fast);
}

.quick-action:hover {
    background: var(--cockpit-info-bg);
    border-color: rgba(56, 189, 248, 0.3);
    transform: translateY(-2px);
}

.quick-action-icon {
    font-size: 1.5rem;
}

/* === TABLES === */
.sn-table-container {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.6), rgba(15, 23, 42, 0.8));
    border: 1px solid var(--cockpit-border);
    border-radius: var(--cockpit-radius-lg);
    overflow: hidden;
    backdrop-filter: blur(8px);
}

.sn-table {
    width: 100%;
    border-collapse: collapse;
}

.sn-table thead {
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid var(--cockpit-border);
}

.sn-table th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cockpit-text-muted);
}

.sn-table td {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--cockpit-border-subtle);
}

.sn-table tbody tr {
    transition: background var(--cockpit-transition-fast);
}

.sn-table tbody tr:hover {
    background: var(--cockpit-info-bg);
}

/* === BADGES === */
.sn-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: var(--cockpit-radius-sm);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.sn-badge-airport {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.sn-badge-vor {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.sn-badge-ndb {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.sn-badge-usr {
    background: rgba(168, 85, 247, 0.2);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.sn-badge-apt {
    background: rgba(6, 182, 212, 0.2);
    color: #22d3ee;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

/* === TABS === */
.sn-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.sn-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: transparent;
    border: 1px solid var(--cockpit-border);
    border-radius: var(--cockpit-radius-md);
    color: var(--cockpit-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--cockpit-transition-fast);
}

.sn-tab:hover {
    background: var(--cockpit-info-bg);
    border-color: rgba(56, 189, 248, 0.3);
}

.sn-tab.active {
    background: var(--cockpit-info-bg);
    border-color: var(--cockpit-info);
    color: var(--cockpit-info);
}

.sn-tab i {
    font-size: 1rem;
}

/* === BUTTONS === */
.sn-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border-radius: var(--cockpit-radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--cockpit-transition-fast);
    text-decoration: none;
}

.sn-btn-primary {
    background: linear-gradient(135deg, #0891b2, #0e7490);
    border: none;
    color: white;
}

.sn-btn-primary:hover {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.sn-btn-secondary {
    background: var(--cockpit-surface);
    border: 1px solid var(--cockpit-border);
    color: var(--cockpit-text-primary);
}

.sn-btn-secondary:hover {
    background: var(--cockpit-surface-elevated);
    border-color: var(--cockpit-border-strong);
}

.sn-btn-outline {
    background: transparent;
    border: 1px solid var(--cockpit-border);
    color: var(--cockpit-text-secondary);
}

.sn-btn-outline:hover {
    background: var(--cockpit-surface);
    color: var(--cockpit-text-primary);
}

.sn-btn-outline-cyan {
    background: transparent;
    border: 1px solid var(--cockpit-info);
    color: var(--cockpit-info);
}

.sn-btn-outline-cyan:hover {
    background: var(--cockpit-info-bg);
}

.sn-btn-outline-amber {
    background: transparent;
    border: 1px solid var(--cockpit-caution);
    color: var(--cockpit-caution);
}

.sn-btn-outline-amber:hover {
    background: var(--cockpit-caution-bg);
}

/* === INPUTS === */
.sn-input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--cockpit-border);
    border-radius: var(--cockpit-radius-md);
    color: var(--cockpit-text-primary);
    font-size: 0.875rem;
    font-family: var(--cockpit-font-primary);
    transition: all var(--cockpit-transition-fast);
}

.sn-input:focus {
    outline: none;
    border-color: var(--cockpit-info);
    box-shadow: 0 0 0 2px var(--cockpit-info-bg);
}

.sn-input::placeholder {
    color: var(--cockpit-text-disabled);
}

.sn-select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--cockpit-border);
    border-radius: var(--cockpit-radius-md);
    color: var(--cockpit-text-primary);
    font-size: 0.875rem;
    font-family: var(--cockpit-font-primary);
    cursor: pointer;
}

.sn-select:focus {
    outline: none;
    border-color: var(--cockpit-info);
}

.sn-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--cockpit-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

/* === UTILITY CLASSES === */
.text-info { color: var(--cockpit-info); }
.text-active { color: var(--cockpit-active); }
.text-caution { color: var(--cockpit-caution); }
.text-critical { color: var(--cockpit-critical); }
.text-purple { color: #a855f7; }
.text-pink { color: #ec4899; }

.font-mono { font-family: var(--cockpit-font-mono); }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 2rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}