:root {
    --brand-primary: #0f172a;
    --brand-accent: #2563eb;
    --brand-accent-hover: #1d4ed8;
    --bg-app: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #334155;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --radius-sm: 6px;
    --radius-md: 12px;
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-app);
    color: var(--text-main);
    line-height: 1.5;
    padding: 40px 20px;
}

.container {
    width: 100%;
    max-width: 850px;
    margin: 0 auto;
}

header {
    margin-bottom: 35px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 20px;
}

header h1 {
    color: var(--brand-primary);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.025em;
}

header p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-top: 4px;
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

input[type="text"],
input[type="datetime-local"],
select {
    width: 100%;
    padding: 14px 16px;
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    color: var(--brand-primary);
    transition: all 0.2s ease;
}

input:focus,
select:focus {
    outline: none;
    background-color: #fff;
    border-color: var(--brand-accent);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.row {
    display: flex;
    gap: 15px;
    align-items: flex-end;
}

.col {
    flex: 1;
    min-width: 0;
}

.btn-icon {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--brand-accent);
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--brand-accent);
    color: #fff;
    border-color: var(--brand-accent);
}

.btn-primary {
    background-color: var(--brand-accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 16px;
    font-size: 1rem;
    font-weight: 700;
    width: 100%;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background-color: var(--brand-accent-hover);
}

/* Našeptávač */
.autocomplete-items {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-hover);
    z-index: 100;
    max-height: 240px;
    overflow-y: auto;
}

.autocomplete-items:empty {
    display: none;
}

.autocomplete-items div {
    padding: 12px 16px;
    cursor: pointer;
    font-size: 0.95rem;
    border-bottom: 1px solid #f1f5f9;
}

.autocomplete-items div:hover {
    background-color: #f1f5f9;
    color: var(--brand-accent);
    font-weight: 600;
}

/* Karty výsledků */
.connection-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    margin-bottom: 20px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.connection-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.conn-card-header {
    background: linear-gradient(to right, #f8fafc, #f1f5f9);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.conn-main-times {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--brand-primary);
}

.conn-main-times .arrow {
    color: var(--brand-accent);
    font-weight: 400;
}

.conn-meta-pills {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.meta-pill {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
}

.meta-pill.direct {
    background: #dcfce7;
    color: #166534;
    border-color: #bbf7d0;
}

.conn-price {
    background: #dbeafe;
    color: #1e40af;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.conn-remarks-box {
    background: #fffbeb;
    border-bottom: 1px solid #fef3c7;
    padding: 10px 24px;
    font-size: 0.85rem;
    color: #92400e;
    word-break: break-word;
}

.conn-card-body {
    padding: 20px 24px;
}

.train-info-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 8px;
}

.train-type-pill {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: 800;
    color: #fff;
    background-color: #475569;
    margin-right: 6px;
    text-transform: uppercase;
}

.train-type-rj,
.train-type-sc,
.train-type-ec,
.train-type-ic {
    background-color: #dc2626;
}

.train-type-r,
.train-type-ex {
    background-color: #16a34a;
}

.train-type-os,
.train-type-sp {
    background-color: #2563eb;
}

.train-badge-title {
    font-weight: 700;
    color: var(--brand-primary);
    font-size: 1.05rem;
}

.train-badges-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.train-timeline-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #f8fafc;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    gap: 12px;
}

.time-block {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.time-block.text-right {
    text-align: right;
    align-items: flex-end;
}

.time-val {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--brand-primary);
}

.station-val {
    word-break: break-word;
}

.platform-val {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

.timeline-connector {
    flex: 0 0 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 10px;
    color: var(--text-muted);
}

.connector-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--border-color);
}

.connector-arrow {
    background: #f8fafc;
    padding: 0 8px;
    z-index: 1;
    font-size: 0.8rem;
}

.transfer-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 18px 0;
    position: relative;
}

.transfer-divider::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: repeating-linear-gradient(to right, #cbd5e1 0, #cbd5e1 6px, transparent 6px, transparent 12px);
    z-index: 1;
}

.transfer-badge {
    position: relative;
    z-index: 2;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    gap: 6px;
}

.transfer-badge.tight {
    background: #fef3c7;
    border-color: #fde68a;
    color: #92400e;
}

.train-footer-action {
    margin-top: 8px;
}

.toggle-route-btn {
    background: none;
    border: none;
    color: var(--brand-accent);
    padding: 6px 0;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.toggle-route-btn:hover {
    text-decoration: underline;
}

.conn-card-footer-action {
    background: #f8fafc;
    border-top: 1px solid var(--border-color);
    padding: 12px 24px;
    text-align: right;
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--brand-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 9px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background-color: var(--brand-accent);
    color: #ffffff;
    border-color: var(--brand-accent);
}

.route-stops-container {
    margin-top: 10px;
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.route-stop-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 10px;
    padding: 6px 0;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.9rem;
}

.route-stop-item:last-child {
    border-bottom: none;
}

.stop-name {
    font-weight: 600;
    color: var(--brand-primary);
}

.stop-times {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: right;
}

.badge {
    padding: 3px 8px;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    white-space: nowrap;
}

.badge-success { background-color: #dcfce7; color: #166534; }
.badge-danger { background-color: #fee2e2; color: #991b1b; }
.badge-warning { background-color: #fef3c7; color: #92400e; }

.loading-state,
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--brand-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 15px auto;
}

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

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    padding: 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    border: 1px solid #fca5a5;
    margin-bottom: 20px;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    padding: 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-weight: 600;
}

/* ==========================================================================
   MODÁLNÍ OKNO A VIZUÁLNÍ TRASA VLAKU
   ========================================================================== */
.idos-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(2px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.idos-modal-content {
    background: #ffffff;
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 720px;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.idos-modal-header {
    padding: 16px 24px;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.idos-modal-header h3 {
    font-size: 1.15rem;
    color: var(--brand-primary);
    margin: 0;
}

.idos-modal-close {
    background: none;
    border: none;
    font-size: 1.6rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
}

.idos-modal-close:hover {
    color: #ef4444;
}

.idos-modal-body {
    padding: 24px;
    overflow-y: auto;
    line-height: 1.6;
    word-break: break-word;
}

.modal-detail-summary,
.modal-remarks-section,
.modal-prices-section,
.modal-train-item {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
}

.modal-remarks-section ul,
.modal-prices-section ul {
    margin-left: 20px;
    margin-top: 6px;
}

.modal-train-item h5 {
    margin-bottom: 6px;
    color: var(--brand-accent);
    font-size: 1.05rem;
}

.train-live-status {
    margin: 12px 0 14px 0;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    font-size: 0.92rem;
    color: #1e3a8a;
}

.train-live-status.active {
    background: #ecfdf5;
    border-color: #a7f3d0;
    color: #065f46;
}

.train-live-status.finished {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #475569;
}

.live-stations-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.live-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.82rem;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.live-pill.current {
    border-color: #10b981;
    color: #065f46;
}

.live-pill.next {
    border-color: #3b82f6;
    color: #1e40af;
}

.live-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 3px;
    margin-top: 10px;
    overflow: hidden;
}

.live-progress-fill {
    height: 100%;
    background: #10b981;
    border-radius: 3px;
    transition: width 0.4s ease;
}

.modal-route-wrapper {
    margin-top: 14px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
}

.modal-route-header {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--brand-primary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding-bottom: 8px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.modal-train-route-timeline {
    display: flex;
    flex-direction: column;
}

.route-timeline-row {
    display: flex;
    align-items: stretch;
    gap: 12px;
    position: relative;
}

.route-timeline-marker {
    width: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex-shrink: 0;
}

.route-timeline-marker::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #cbd5e1;
}

.route-timeline-row:first-child .route-timeline-marker::before {
    top: 14px;
}

.route-timeline-row:last-child .route-timeline-marker::before {
    bottom: calc(100% - 14px);
}

.marker-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid #94a3b8;
    margin-top: 9px;
    z-index: 2;
}

.route-timeline-row.is-user-segment .marker-dot {
    border-color: var(--brand-accent);
}

.route-timeline-row.is-passed .marker-dot {
    background: #94a3b8;
    border-color: #94a3b8;
}

.route-timeline-row.is-current-stop .marker-dot {
    width: 16px;
    height: 16px;
    margin-top: 7px;
    background: #10b981;
    border-color: #065f46;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.25);
}

.route-timeline-row.is-next-stop .marker-dot {
    width: 14px;
    height: 14px;
    margin-top: 8px;
    background: #2563eb;
    border-color: #1e3a8a;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

.route-timeline-content {
    flex: 1;
    padding: 6px 10px;
    margin-bottom: 6px;
    border-radius: 6px;
    border: 1px solid transparent;
}

.route-timeline-row.is-passed .route-timeline-content {
    opacity: 0.65;
}

.route-timeline-row.is-current-stop .route-timeline-content {
    background: #ecfdf5;
    border-color: #10b981;
    opacity: 1;
}

.route-timeline-row.is-next-stop .route-timeline-content {
    background: #eff6ff;
    border-color: #3b82f6;
    opacity: 1;
}

.route-stop-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.route-stop-title {
    font-weight: 600;
    color: var(--brand-primary);
    font-size: 0.94rem;
}

.route-stop-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.route-stop-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.route-track-tag {
    background: #f1f5f9;
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.route-stop-delay {
    color: #dc2626;
    font-weight: 700;
}

.route-stop-current {
    font-weight: 700;
    color: #065f46;
    background: #d1fae5;
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.route-stop-next {
    font-weight: 700;
    color: #1e40af;
    background: #dbeafe;
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* ==========================================================================
   RESPONZIVNÍ PRAVIDLA
   ========================================================================== */
@media (max-width: 768px) {
    body { padding: 24px 16px; }
    header h1 { font-size: 1.65rem; }
    .card { padding: 22px; }
    .timeline-connector { flex: 0 0 50px; }
}

@media (max-width: 640px) {
    body { padding: 16px 12px; }
    header h1 { font-size: 1.45rem; }
    .card { padding: 16px; }
    input[type="text"],
    input[type="datetime-local"],
    select { font-size: 16px; padding: 12px 14px; }
    .row { flex-direction: column; align-items: stretch; gap: 10px; }
    .btn-icon { width: 100%; height: 42px; }
    .conn-card-header { flex-direction: column; align-items: flex-start; padding: 14px 16px; }
    .conn-card-body { padding: 14px 16px; }
    .train-timeline-row { flex-direction: column; align-items: stretch; padding: 12px 14px; gap: 8px; }
    .time-block,
    .time-block.text-right { flex-direction: row; align-items: baseline; justify-content: space-between; text-align: left; }
    .timeline-connector { flex: none; height: 18px; justify-content: flex-start; padding-left: 20px; }
    .connector-line { width: 2px; height: 100%; left: 24px; }
    .connector-arrow { transform: rotate(90deg); padding: 2px 0; font-size: 0.7rem; }
    .btn-secondary { width: 100%; }
    .idos-modal-overlay { padding: 10px; align-items: flex-end; }
    .idos-modal-content { max-height: 92vh; }
    .idos-modal-body { padding: 16px; }
}