/* Modern SQL Client Tool Theme */

/* Additional modern enhancements */
.glass-effect {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Floating action buttons */
.fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    z-index: 1000;
}

.fab:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

/* Enhanced tooltips */
.tooltip-modern {
    position: relative;
}

.tooltip-modern::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-primary);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
}

.tooltip-modern:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

/* Status indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

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

.status-indicator.info {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

/* Enhanced data table */
.data-table {
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.data-table th {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
    color: var(--text-primary);
    padding: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.2s ease;
}

.data-table tbody tr:hover td {
    background: var(--bg-secondary);
}

.data-table tbody tr:nth-child(even) {
    background: rgba(248, 250, 252, 0.5);
}

/* Code syntax highlighting enhancements */
.CodeMirror-line {
    padding: 0 0.5rem;
}

.CodeMirror-selected {
    background: rgba(99, 102, 241, 0.2) !important;
}

.CodeMirror-focused .CodeMirror-selected {
    background: rgba(99, 102, 241, 0.3) !important;
}

/* Enhanced form controls */
.form-control-modern {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0.875rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.form-control-modern:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background: var(--bg-primary);
}

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-md);
}

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

/* Modern Loader Styles */
.modern-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    min-height: 120px;
}

.global-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.loader-spinner {
    position: relative;
    width: 40px;
    height: 40px;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-radius: 50%;
    animation: spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.spinner-ring:nth-child(1) {
    border-top-color: var(--primary-color);
    animation-delay: -0.45s;
}

.spinner-ring:nth-child(2) {
    border-top-color: var(--primary-light);
    animation-delay: -0.3s;
}

.spinner-ring:nth-child(3) {
    border-top-color: var(--primary-dark);
    animation-delay: -0.15s;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loader-message {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
}

/* Inline loader for buttons and small areas */
.inline-loader {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.inline-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Table loading state */
.table-loader {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.table-loader .loader-spinner {
    width: 32px;
    height: 32px;
    margin: 0 auto 1rem auto;
}

/* Card loading state */
.card-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    text-align: center;
    min-height: 200px;
}

.card-loader .loader-spinner {
    width: 36px;
    height: 36px;
    margin-bottom: 1rem;
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-text:last-child {
    width: 60%;
}

/* Enhanced modals */
.modal-modern .modal-content {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-modern .modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    padding: 1.5rem 2rem;
}

.modal-modern .modal-title {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-modern .btn-close {
    filter: invert(1);
    opacity: 0.8;
}

.modal-modern .btn-close:hover {
    opacity: 1;
}

/* Notification system */
.notification {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-xl);
    z-index: 1050;
    min-width: 300px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left: 4px solid var(--success-color);
}

.notification.error {
    border-left: 4px solid var(--error-color);
}

.notification.warning {
    border-left: 4px solid var(--warning-color);
}

.notification.info {
    border-left: 4px solid var(--primary-color);
}

/* Enhanced search */
.search-container {
    position: relative;
}

.search-input {
    padding-left: 2.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
}

.search-input:focus {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Progress indicators */
.progress-modern {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar-modern {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* Dark mode enhancements */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #818cf8;
        --primary-dark: #6366f1;
        --primary-light: #c7d2fe;
        --secondary-color: #1e293b;
        --accent-color: #34d399;
        --accent-dark: #10b981;
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --border-color: #334155;
        --border-light: #475569;
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-tertiary: #334155;
    }

    .CodeMirror {
        background: var(--bg-primary) !important;
        color: var(--text-primary) !important;
    }

    .CodeMirror-gutters {
        background: var(--bg-tertiary) !important;
        border-color: var(--border-color) !important;
    }

    .CodeMirror-linenumber {
        color: var(--text-muted) !important;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
        --bg-secondary: #ffffff;
    }
}

/* Print styles */
@media print {
    .navbar,
    .left-sidebar,
    .execute-controls,
    .fab,
    .modal {
        display: none !important;
    }

    .main-content {
        margin: 0 !important;
        box-shadow: none !important;
    }

    .results-section {
        box-shadow: none !important;
        border: 1px solid #000 !important;
    }
}