/* ==========================================================================
   LINES PAGE STYLES
   Redesigned for better scannability and UX
   ========================================================================== */

/* ==========================================================================
   COMPANY COLOR DEFINITIONS
   Brand colors for transport companies - these are fixed
   ========================================================================== */

:root {
    --company-autoprevoz: #ed1d22;
    --company-pavlovic: #ff9f43;
    --company-bocac: #00adef;
    --company-aldemo: #e05e5e;
    --company-rale: #7fd9e0;
}

/* ==========================================================================
   INFO ACCORDION (Operator Legend)
   Collapsed by default to prioritize line content
   ========================================================================== */

.lines-info-accordion {
    margin-bottom: var(--space-6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    background: var(--surface-2);
    overflow: hidden;
}

.accordion-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
}

.accordion-toggle:hover {
    background: var(--surface-3);
}

.accordion-toggle[aria-expanded='true'] {
    background: var(--surface-3);
    border-bottom: 1px solid var(--border-subtle);
}

.accordion-toggle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.accordion-toggle i {
    transition: transform var(--transition-normal);
}

.accordion-toggle[aria-expanded='true'] i {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 0 var(--space-4) var(--space-4);
}

.accordion-content[hidden] {
    display: none;
}

.accordion-content p {
    margin: 0 0 var(--space-4);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

/* Compact Operator Legend */
.operator-legend--compact {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.operator-legend--compact .legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
}

.operator-legend--compact .color-box {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.autoprevoz-legend .color-box {
    background-color: var(--company-autoprevoz);
}
.pavlovic-legend .color-box {
    background-color: var(--company-pavlovic);
}
.bocac-legend .color-box {
    background-color: var(--company-bocac);
}
.aldemo-legend .color-box {
    background-color: var(--company-aldemo);
}
.rale-legend .color-box {
    background-color: var(--company-rale);
}

/* ==========================================================================
   CONTROLS ROW (Search + Filters)
   Sticky on both desktop and mobile
   ========================================================================== */

/* Ensure parent containers allow sticky to work */
#lines,
#lines .container,
#lines-info,
.simplified-lines-container {
    overflow: visible !important;
}

.lines-controls {
    position: -webkit-sticky; /* Safari support */
    position: sticky;
    top: 0;
    z-index: 1019; /* Keep above line cards but below global header */
    isolation: isolate; /* Create stacking context so cards can't bleed above */
    background-color: var(--surface-1);
    padding: var(--space-4);
    margin-left: calc(-1 * var(--space-4));
    margin-right: calc(-1 * var(--space-4));
    margin-bottom: var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* Lines list container */
.lines-list {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* Tab content inside lines list */
.lines-list > .tab-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* Search Input */
.lines-search {
    position: relative;
    width: 100%;
}

.lines-search__input {
    width: 100%;
    height: var(--search-height);
    padding: 0 var(--space-10) 0 var(--space-10);
    border: var(--search-border-width) solid var(--border-subtle);
    border-radius: var(--search-radius);
    background: var(--surface-2);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.lines-search__input::placeholder {
    color: var(--text-light);
}

.lines-search__input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(43, 110, 168, 0.2);
}

.lines-search__icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

.lines-search__clear {
    position: absolute;
    right: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-light);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--transition-fast),
        background-color var(--transition-fast);
}

.lines-search__clear.visible {
    opacity: 1;
    visibility: visible;
}

.lines-search__clear:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.lines-search__clear:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Filter Row */
.lines-filter-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.filter-btn {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: var(--surface-2);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.filter-btn:hover {
    background: var(--surface-3);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.filter-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.filter-btn.active,
.filter-btn[aria-pressed='true'] {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--text-primary);
}

/* Results Count */
.lines-results-count {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}

/* ==========================================================================
   LINE CARDS LIST - Empty State & Cards
   ========================================================================== */

/* Empty State */
.lines-empty-state {
    text-align: center;
    padding: var(--space-10) var(--space-4);
    color: var(--text-secondary);
}

.lines-empty-state i {
    font-size: var(--font-size-4xl);
    color: var(--text-light);
    margin-bottom: var(--space-4);
}

.lines-empty-state p {
    margin: 0 0 var(--space-4);
    font-size: var(--font-size-lg);
}

.lines-empty-state .btn {
    margin-top: var(--space-2);
}

/* ==========================================================================
   LINE CARD COMPONENT
   Compact, scannable design with clear CTA hierarchy
   ========================================================================== */

.line-card {
    background: var(--surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--line-card-radius);
    padding: var(--line-card-padding);
    transition:
        box-shadow var(--transition-fast),
        border-color var(--transition-fast);
    border-left-width: var(--line-card-border-width);
    border-left-style: solid;
}

.line-card:hover {
    box-shadow: var(--shadow-soft);
    border-color: var(--border-strong);
}

.line-card[hidden] {
    display: none;
}

/* Company Border Colors */
.line-card.autoprevoz-line {
    border-left-color: var(--company-autoprevoz);
}
.line-card.pavlovic-line {
    border-left-color: var(--company-pavlovic);
}
.line-card.bocac-line {
    border-left-color: var(--company-bocac);
}
.line-card.aldemo-line {
    border-left-color: var(--company-aldemo);
}
.line-card.rale-line {
    border-left-color: var(--company-rale);
}

/* Card Header */
.line-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.line-card__identity {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 1;
    min-width: 0;
}

.line-card__name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    line-height: var(--line-height-tight);
}

/* Badges Container */
.line-card__badges {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

/* ==========================================================================
   BADGES
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--badge-padding-y) var(--badge-padding-x);
    border-radius: var(--badge-radius);
    font-size: var(--badge-font-size);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    white-space: nowrap;
}

/* Line Number Badge */
.badge--line-number {
    min-width: var(--line-number-min-width);
    height: var(--line-number-height);
    font-size: var(--line-number-font-size);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    background: var(--color-primary);
    border-radius: var(--radius-md);
}

/* Company-colored line number badges */
.autoprevoz-line .badge--line-number {
    background: var(--company-autoprevoz);
}
.pavlovic-line .badge--line-number {
    background: var(--company-pavlovic);
}
.bocac-line .badge--line-number {
    background: var(--company-bocac);
}
.aldemo-line .badge--line-number {
    background: var(--company-aldemo);
}
.rale-line .badge--line-number {
    background: var(--company-rale);
}

/* Group Badge */
.badge--group {
    background: var(--surface-3);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

/* Accessibility Badge */
.badge--accessible {
    width: 28px;
    height: 28px;
    padding: 0;
    background: var(--color-accessible);
    color: var(--color-white);
    border-radius: var(--radius-full);
}

.badge--not-accessible {
    width: 28px;
    height: 28px;
    padding: 0;
    background: var(--surface-3);
    color: var(--text-light);
    border-radius: var(--radius-full);
}

/* ==========================================================================
   META ROW (Compact Attributes)
   ========================================================================== */

.line-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
    margin-bottom: var(--space-3);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.meta-item i {
    color: var(--text-light);
    width: 14px;
    text-align: center;
}

/* ==========================================================================
   ACTION BUTTONS
   ========================================================================== */

.line-card__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

/* Primary Button (View Timetable) */
.line-card__actions .btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: background-color var(--transition-fast);
}

.line-card__actions .btn--primary:hover {
    background: var(--color-primary-dark);
}

.line-card__actions .btn--primary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Secondary Button (Details) */
.line-card__actions .btn--secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-fast);
}

.line-card__actions .btn--secondary:hover {
    background: var(--surface-3);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.line-card__actions .btn--secondary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.line-card__actions .btn--secondary[aria-expanded='true'] {
    background: var(--surface-3);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

/* Link Button (PDF) */
.line-card__actions .btn--link {
    background: transparent;
    color: var(--link-color);
    border: none;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.line-card__actions .btn--link:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.line-card__actions .btn--link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   EXPANDABLE DETAILS PANEL
   ========================================================================== */

.line-card__details {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3);
}

.line-card__details[hidden] {
    display: none;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.detail-item__label {
    font-size: var(--font-size-xs);
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-item__value {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}

.detail-item__value--accessible {
    color: var(--color-accessible);
}

.detail-item__value--not-accessible {
    color: var(--text-secondary);
}

/* ==========================================================================
   RESPONSIVE STYLES
   ========================================================================== */

/* Mobile - stack layout */
@media (max-width: 767px) {
    .lines-controls {
        margin: 0 calc(-1 * var(--space-4));
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }

    .line-card__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .line-card__badges {
        margin-top: var(--space-2);
    }

    .line-card__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .line-card__actions .btn--primary {
        width: 100%;
        justify-content: center;
        padding: var(--space-3) var(--space-4);
    }

    .line-card__actions .btn--secondary,
    .line-card__actions .btn--link {
        width: 100%;
        justify-content: center;
    }

    .line-card__details {
        grid-template-columns: 1fr;
    }

    .lines-filter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-buttons {
        order: 1;
    }

    .lines-results-count {
        order: 2;
        text-align: center;
    }
}

/* Desktop - side by side layout */
@media (min-width: 768px) {
    .lines-controls {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
    }

    .lines-search {
        flex: 1;
        min-width: 250px;
        max-width: 400px;
    }

    .lines-filter-row {
        flex: 1;
        justify-content: flex-end;
    }

    .line-card {
        padding: var(--line-card-padding-lg);
    }

    .line-card__header {
        align-items: center;
    }

    .line-card__actions {
        flex-wrap: nowrap;
    }
}

/* Large screens */
@media (min-width: 1024px) {
    .lines-search {
        max-width: 450px;
    }
}

/* ==========================================================================
   DARK MODE OVERRIDES
   ========================================================================== */

[data-theme='dark'] .lines-search__input:focus {
    box-shadow: 0 0 0 3px rgba(43, 110, 168, 0.2);
}

[data-theme='dark'] .filter-btn.active,
[data-theme='dark'] .filter-btn[aria-pressed='true'] {
    background: var(--accent-soft);
    border-color: rgba(43, 110, 168, 0.45);
    color: var(--text-primary);
}

[data-theme='dark'] .badge--group {
    background: var(--surface-3);
    border-color: var(--border-subtle);
}

[data-theme='dark'] .badge--accessible {
    background: #0a9c4e;
}

/* ==========================================================================
   LEGACY SUPPORT
   Keep old class names working during transition
   ========================================================================== */

/* Hide timetable buttons for suburban lines since they don't have timetables */
#suburban-lines .timetable-btn {
    display: none;
}

/* Legacy filter/tab styles for compatibility */
.lines-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.tab-btn {
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.tab-content {
    display: none;
}

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

/* Single type title (when only one line type is enabled) */
.single-type-title {
    display: none; /* Hide when using new design */
}