/* ==============================================================================
   History Page Stylesheet
   Aligned with Dashboard Design System
   ============================================================================== */

/* ==============================================================================
   PAGE LAYOUT
   ============================================================================== */

.history-container {
    max-width: var(--container-max-width, 1400px);
    margin: 0 auto;
    padding: 0;
    animation: fadeIn var(--transition-slow, 0.5s) ease-out;
}

.page-header-section {
    margin-bottom: var(--spacing-xl, 32px);
}

.page-header {
    margin-bottom: var(--spacing-lg, 24px);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg, 24px);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text, #1f2937);
    display: flex;
    align-items: center;
    margin: 0;
}

.section-title i {
    font-size: 1.25rem;
    color: var(--color-primary, #3b82f6);
    margin-right: 0.5rem;
}

.section-title small {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text-muted, #9ca3af);
    margin-left: 0.5rem;
}

/* ==============================================================================
   CARD HEADERS
   ============================================================================== */

.bg-primary-gradient {
    background: linear-gradient(135deg, var(--color-primary, #3b82f6), var(--color-primary-light, #60a5fa));
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
    padding: var(--spacing-lg, 24px);
}

.card-header h5 {
    font-weight: 600;
    font-size: 1rem;
    margin: 0;
    display: flex;
    align-items: center;
}

.card-header i {
    margin-right: var(--spacing-sm, 8px);
    font-size: 1.125rem;
}

/* ==============================================================================
   QUICK DATE PRESETS
   ============================================================================== */

.btn-group-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.preset-btn {
    font-size: 0.875rem;
    padding: 6px 16px;
    transition: all 0.3s ease;
}

.preset-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.preset-btn.active {
    background-color: #667eea;
    color: white;
    border-color: #667eea;
}

/* ==============================================================================
   STATISTICS CARDS
   ============================================================================== */

.statistics-section {
    animation: fadeIn var(--transition-slow, 0.5s) ease-out;
    margin-bottom: var(--spacing-xl, 32px);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.stat-card {
    background: var(--bg-surface, white);
    border-radius: var(--radius-xl, 12px);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.1));
    border: 1px solid var(--color-border, #e5e7eb);
    transition: all var(--transition-base, 0.3s);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary, #3b82f6), var(--color-primary-light, #60a5fa));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base, 0.3s);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.1));
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card .card-body {
    padding: var(--spacing-lg, 24px);
}

/* Metric Content */
.metric-content {
    flex: 1;
}

.metric-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary, #6b7280);
    margin-bottom: var(--spacing-sm, 8px);
}

.metric-value-wrapper {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm, 8px);
    margin-bottom: var(--spacing-xs, 4px);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    color: var(--color-text, #1f2937);
}

.metric-value .value {
    font-variant-numeric: tabular-nums;
}

.metric-value .unit {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-secondary, #6b7280);
    margin-left: var(--spacing-xs, 4px);
}

.metric-subtitle {
    font-size: 0.75rem;
    color: var(--color-text-muted, #9ca3af);
    margin: 0;
}

/* Icon Box */
.icon-box {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg, 10px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.icon-box i {
    font-size: 1.5rem;
}

/* Gradient backgrounds for icon boxes */
.bg-primary-gradient {
    background: linear-gradient(135deg, var(--color-primary, #3b82f6), var(--color-primary-light, #60a5fa));
}

.bg-success-gradient {
    background: linear-gradient(135deg, var(--color-success, #10b981), var(--color-success-light, #34d399));
}

.bg-info-gradient {
    background: linear-gradient(135deg, var(--color-info, #06b6d4), var(--color-info-light, #22d3ee));
}

.bg-warning-gradient {
    background: linear-gradient(135deg, var(--color-warning, #f59e0b), var(--color-warning-light, #fbbf24));
}

/* Legacy support for old class names */
.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg, 10px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 1.5rem;
    color: white;
}

.stat-icon.bg-primary {
    background: linear-gradient(135deg, var(--color-primary, #3b82f6), var(--color-primary-light, #60a5fa));
}

.stat-icon.bg-success {
    background: linear-gradient(135deg, var(--color-success, #10b981), var(--color-success-light, #34d399));
}

.stat-icon.bg-info {
    background: linear-gradient(135deg, var(--color-info, #06b6d4), var(--color-info-light, #22d3ee));
}

.stat-icon.bg-warning {
    background: linear-gradient(135deg, var(--color-warning, #f59e0b), var(--color-warning-light, #fbbf24));
}

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

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary, #6b7280);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm, 8px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text, #1f2937);
    line-height: 1.2;
}

.stat-unit {
    font-size: 0.875rem;
    color: var(--color-text-secondary, #6b7280);
    margin-top: 2px;
}

/* ==============================================================================
   DATA TABLE
   ============================================================================== */

.table-responsive {
    max-height: 600px;
    overflow-y: auto;
    border-radius: var(--radius-lg, 10px);
    border: 1px solid var(--color-border, #e5e7eb);
}

.table {
    font-size: 0.875rem;
    color: var(--color-text, #1f2937);
    margin-bottom: 0;
}

#historyTable,
.table {
    font-size: 0.875rem;
}

#historyTable thead th,
.table thead th {
    background-color: var(--bg-surface-secondary, #f9fafb);
    font-weight: 600;
    color: var(--color-text, #1f2937);
    border-bottom: 2px solid var(--color-border, #e5e7eb);
    padding: var(--spacing-md, 16px) var(--spacing-sm, 8px);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    z-index: 10;
}

#historyTable tbody td,
.table tbody td {
    padding: var(--spacing-md, 16px) var(--spacing-sm, 8px);
    vertical-align: middle;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}

#historyTable tbody tr,
.table tbody tr {
    transition: background-color var(--transition-fast, 0.2s);
}

#historyTable tbody tr:hover,
.table tbody tr:hover {
    background-color: var(--color-primary-alpha, rgba(59, 130, 246, 0.1));
}

/* ==============================================================================
   LOADING & EMPTY STATES
   ============================================================================== */

#loadingIndicator {
    animation: fadeIn 0.3s ease-in;
}

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

#noDataMessage {
    animation: fadeIn 0.5s ease-in;
}

/* ==============================================================================
   SELECT2 CUSTOMIZATION
   ============================================================================== */

.select2-container--default .select2-selection--single {
    height: 38px;
    border: 1px solid #ced4da;
    border-radius: 4px;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    line-height: 38px;
    padding-left: 12px;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 36px;
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: #667eea;
}

/* ==============================================================================
   FLATPICKR CUSTOMIZATION
   ============================================================================== */

.flatpickr-calendar {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.flatpickr-day.selected {
    background: #667eea;
    border-color: #667eea;
}

.flatpickr-day.selected:hover {
    background: #5568d3;
    border-color: #5568d3;
}

/* ==============================================================================
   CHART CONTAINER
   ============================================================================== */

#powerTrendChart {
    max-height: 300px;
}

/* ==============================================================================
   FORM AND BUTTON STYLING
   ============================================================================== */

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text, #1f2937);
    margin-bottom: var(--spacing-sm, 8px);
}

.form-control,
.form-select {
    font-size: 0.875rem;
    border-radius: var(--radius-md, 8px);
    border: 1px solid var(--color-border, #e5e7eb);
    padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
    transition: all var(--transition-base, 0.3s);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary, #3b82f6);
    box-shadow: 0 0 0 0.2rem var(--color-primary-alpha, rgba(59, 130, 246, 0.2));
}

.btn {
    font-size: 0.875rem;
    font-weight: 600;
    padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
    border-radius: var(--radius-md, 8px);
    transition: all var(--transition-base, 0.3s);
}

.btn-primary {
    background: var(--color-primary, #3b82f6);
    border-color: var(--color-primary, #3b82f6);
}

.btn-primary:hover {
    background: var(--color-primary-light, #60a5fa);
    border-color: var(--color-primary-light, #60a5fa);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-gray-500, #6b7280);
    border-color: var(--color-gray-500, #6b7280);
}

.btn-success {
    background: var(--color-success, #10b981);
    border-color: var(--color-success, #10b981);
}

.d-flex.gap-2 {
    gap: var(--spacing-sm, 8px);
}

/* ==============================================================================
   RESPONSIVE DESIGN
   ============================================================================== */

/* Tablet and below */
@media (max-width: 991.98px) {
    .btn-group-presets {
        flex-direction: column;
    }

    .preset-btn {
        width: 100%;
    }

    .stat-card .metric-value {
        font-size: 1.75rem;
    }

    .icon-box,
    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
}

/* Mobile */
@media (max-width: 575.98px) {
    .history-container {
        padding: 0;
    }

    .section-title {
        font-size: 1rem;
    }

    .stat-card .card-body {
        padding: var(--spacing-md, 16px);
    }

    .stat-card .metric-value {
        font-size: 1.5rem;
    }

    .metric-subtitle {
        display: none;
    }

    #historyTable,
    .table {
        font-size: 0.75rem;
    }

    #historyTable thead th,
    .table thead th {
        padding: var(--spacing-sm, 8px) var(--spacing-xs, 4px);
        font-size: 0.7rem;
    }

    #historyTable tbody td,
    .table tbody td {
        padding: var(--spacing-sm, 8px) var(--spacing-xs, 4px);
    }

    .form-control,
    .form-select,
    .btn {
        font-size: 0.8rem;
    }
}

/* Small mobile */
@media (max-width: 400px) {
    .section-title {
        font-size: 0.9rem;
    }

    .icon-box,
    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ==============================================================================
   DARK MODE STYLES
   ============================================================================== */

body.dark-mode .history-container {
    color: var(--color-text);
}

body.dark-mode .section-title {
    color: var(--color-text);
}

body.dark-mode .card {
    background-color: var(--bg-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}

body.dark-mode .card-header {
    border-color: var(--color-border);
}

body.dark-mode .stat-card {
    background: var(--bg-surface);
    border-color: var(--color-border);
}

body.dark-mode .stat-card:hover {
    border-color: var(--color-primary);
}

body.dark-mode .icon-box {
    opacity: 0.9;
}

body.dark-mode .metric-label,
body.dark-mode .stat-label {
    color: var(--color-text-secondary);
}

body.dark-mode .metric-value,
body.dark-mode .stat-value {
    color: var(--color-text);
}

body.dark-mode .metric-subtitle,
body.dark-mode .stat-unit {
    color: var(--color-text-secondary);
}

body.dark-mode .table {
    color: var(--color-text);
    border-color: var(--color-border);
}

body.dark-mode #historyTable thead th,
body.dark-mode .table thead th {
    background-color: var(--bg-surface-secondary);
    color: var(--color-text);
    border-color: var(--color-border);
}

body.dark-mode #historyTable tbody tr:hover,
body.dark-mode .table tbody tr:hover {
    background-color: var(--color-primary-alpha, rgba(59, 130, 246, 0.15));
}

body.dark-mode #historyTable td,
body.dark-mode .table tbody td {
    border-color: var(--color-border);
}

body.dark-mode .table-responsive {
    border-color: var(--color-border);
}

body.dark-mode .form-control,
body.dark-mode .form-select {
    background-color: var(--bg-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

body.dark-mode .form-control:focus,
body.dark-mode .form-select:focus {
    border-color: var(--color-primary);
}

body.dark-mode .btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

body.dark-mode .btn-outline-primary:hover {
    background-color: var(--color-primary);
    color: white;
}

body.dark-mode .select2-container--default .select2-selection--single {
    background-color: var(--bg-surface);
    border-color: var(--color-border);
}

body.dark-mode .select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--color-text);
}

body.dark-mode .select2-dropdown {
    background-color: var(--bg-surface);
    border-color: var(--color-border);
}

body.dark-mode .select2-results__option {
    color: var(--color-text);
}

body.dark-mode .flatpickr-calendar {
    background-color: var(--bg-surface);
    border-color: var(--color-border);
}

body.dark-mode .flatpickr-day {
    color: var(--color-text);
}

body.dark-mode .flatpickr-current-month {
    color: var(--color-text);
}

/* ==============================================================================
   LOADING STATES
   ============================================================================== */

.loading-placeholder {
    color: var(--color-text-muted, #9ca3af);
    font-style: italic;
    animation: loadingPulse 1.5s ease-in-out infinite;
}

@keyframes loadingPulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

/* ==============================================================================
   ACCESSIBILITY
   ============================================================================== */

/* Reduce motion for accessibility */
@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) {
    .stat-card,
    .card {
        border-width: 2px;
    }

    .metric-label,
    .stat-label {
        font-weight: 700;
    }
}