/* ============================================================================
   DockVault Vault Service - Additional Components & Utilities
   Tabs, Badges, Alerts, Tables, Theme Switcher, etc.
   ============================================================================ */

/* ============================================================================
   SCREEN & LAYOUT MANAGEMENT
   ============================================================================ */
.screen {
    display: none;
}

.screen.active {
    display: block;
    opacity: 1;
    animation: fadeIn var(--transition-base) ease-out;
}

/* ============================================================================
   TABS
   ============================================================================ */
.tabs {
    display: flex;
    gap: var(--space-sm);
    border-bottom: 2px solid var(--surface-3);
    margin-bottom: var(--space-xl);
    overflow-x: auto;
}

.tab-btn {
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-tertiary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    margin-bottom: -2px;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--hover-overlay);
}

.tab-btn.active {
    color: var(--brand-secondary);
    border-bottom-color: var(--brand-secondary);
}

.tab-content {
    display: none;
    animation: fadeInUp var(--transition-base);
}

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

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

/* ============================================================================
   BADGES
   ============================================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.75rem;
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: rgba(59, 130, 246, 0.1);
    color: var(--brand-secondary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.badge-neutral {
    background: var(--surface-2);
    color: var(--text-secondary);
}

/* ============================================================================
   ALERTS & NOTIFICATIONS
   ============================================================================ */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    animation: slideInRight var(--transition-base);
}

/* Raw-icon alerts (a leading <svg> followed by .alert-content or inline text): keep the icon from
   squishing under flex and nudge it onto the first text line instead of the line-box top. */
.alert > svg { flex-shrink: 0; margin-top: 0.15em; }

@keyframes slideInRight {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.alert-icon {
    font-size: var(--text-xl);
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.alert-message {
    font-size: var(--text-sm);
    opacity: 0.9;
}

/* Alert Variants */
.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: var(--info);
    color: var(--info);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: var(--success);
    color: var(--success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-left-color: var(--warning);
    color: var(--warning);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: var(--error);
    color: var(--error);
}

/* ============================================================================
   TABLES
   ============================================================================ */
.table-container {
    background: var(--surface-0);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--surface-3);
    overflow: hidden;
}

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

.table thead {
    background: var(--surface-1);
    border-bottom: 1px solid var(--surface-3);
}

.table th {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--surface-3);
    color: var(--text-secondary);
}

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

.table tbody tr:hover {
    background: var(--hover-overlay);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================================================
   THEME SWITCHER
   ============================================================================ */
.theme-switcher {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.theme-toggle {
    position: relative;
    width: 3rem;
    height: 1.75rem;
    background: var(--surface-3);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-base);
}

.theme-toggle:hover {
    background: var(--surface-4);
}

.theme-toggle-slider {
    position: absolute;
    top: 0.125rem;
    left: 0.125rem;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--surface-0);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.theme-toggle.active .theme-toggle-slider {
    transform: translateX(1.25rem);
}

.theme-toggle-icon {
    transition: transform var(--transition-base);
}

/* ============================================================================
   LOADING STATES
   ============================================================================ */
.spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid var(--surface-3);
    border-top-color: var(--brand-secondary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

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

.spinner-lg {
    width: 3rem;
    height: 3rem;
    border-width: 4px;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--surface-2) 0%,
        var(--surface-3) 50%,
        var(--surface-2) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--space-sm);
}

.skeleton-heading {
    height: 2rem;
    width: 60%;
    margin-bottom: var(--space-md);
}

.skeleton-card {
    height: 200px;
    width: 100%;
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

/* Text Utilities */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-tertiary { color: var(--text-tertiary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-error { color: var(--error) !important; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }

/* Spacing Utilities */
.m-0 { margin: 0; }
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.p-0 { padding: 0; }
.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

/* Display Utilities */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Flex Utilities */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }

/* Gap Utilities */
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* Width Utilities */
.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }

/* Border Radius */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow Utilities */
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-none { box-shadow: none; }

/* ============================================================================
   RESPONSIVE UTILITIES
   ============================================================================ */
@media (max-width: 768px) {
    .container {
        padding: var(--space-md);
    }
    
    .navbar-container {
        padding: 0 var(--space-md);
    }
    
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .show-mobile-only {
        display: none !important;
    }
}

/* ============================================================================
   SCROLLBAR STYLING (Webkit browsers)
   ============================================================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface-1);
}

::-webkit-scrollbar-thumb {
    background: var(--surface-3);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--surface-4);
}

/* ============================================================================
   SELECTION STYLING
   ============================================================================ */
::selection {
    background: rgba(59, 130, 246, 0.3);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(59, 130, 246, 0.3);
    color: var(--text-primary);
}