/* ═══════════════════════════════════════════════════════════════
   HODOPHILE — Component Styles
   Buttons, Forms, Cards, Planner UI
   ═══════════════════════════════════════════════════════════════ */

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 30px rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-ghost {
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    background: transparent;
}

.btn-ghost:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-hover);
    background: var(--color-bg-glass);
}

.btn-outline {
    color: var(--color-primary-light);
    border: 1px solid rgba(99, 102, 241, 0.3);
    background: transparent;
}

.btn-outline:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.5);
}

.btn-danger {
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.3);
    background: transparent;
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.5);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    border-radius: var(--radius-lg);
}

.btn-full {
    width: 100%;
}

.btn-loader {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ─── Form Elements ─── */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-input {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    outline: none;
}

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

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
}

/* ─── Planner Layout ─── */
.planner-layout {
    display: flex;
    gap: var(--space-8);
    align-items: flex-start;
}

.planner-input {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.planner-results {
    flex: 1;
    min-width: 0;
    position: sticky;
    top: 80px;
}

/* ─── Input Sections ─── */
.input-section {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.input-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

.input-section-header h3 {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.section-icon {
    font-size: var(--text-xl);
}

.optional-tag {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-weight: 400;
}

.input-hint {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
}

/* ─── Traveler Cards ─── */
.travelers-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.traveler-card {
    padding: var(--space-5);
    border-radius: var(--radius-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
    position: relative;
}

.traveler-card:hover {
    border-color: var(--color-border-hover);
}

.traveler-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.traveler-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    font-weight: 700;
    color: white;
}

.traveler-card-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.traveler-name-input {
    font-size: var(--text-base);
    font-weight: 600;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    outline: none;
    padding: var(--space-1) 0;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
    width: 120px;
}

.traveler-name-input:focus {
    border-bottom-color: var(--color-primary);
}

.btn-remove-traveler {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.btn-remove-traveler:hover {
    color: var(--color-error);
    background: rgba(239, 68, 68, 0.1);
}

.traveler-card-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.traveler-card-body .form-group {
    gap: var(--space-1);
}

.traveler-card-body label {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ─── Preference Tags ─── */
.pref-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.pref-tag {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    background: transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.pref-tag:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text-primary);
}

.pref-tag.active {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary-light);
}

/* ─── City Selection & Search ─── */
.city-search-box {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.city-search-box input {
    flex: 1;
}

.city-selector {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    max-height: 200px;
    overflow-y: auto;
    padding-right: var(--space-2);
}

.city-selector::-webkit-scrollbar {
    width: 4px;
}

.city-selector::-webkit-scrollbar-track {
    background: transparent;
}

.city-selector::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 2px;
}

.city-chip {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    border: 1px solid var(--color-border);
    color: var(--color-text-tertiary);
    background: transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.city-chip:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text-secondary);
}

.city-chip.selected {
    border-color: var(--color-secondary);
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-secondary-light);
}

/* ─── Planner Actions ─── */
.planner-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: center;
}

/* ─── Results Panel ─── */
.results-empty {
    padding: var(--space-16) var(--space-8);
    text-align: center;
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-style: dashed;
}

.empty-illustration {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-6);
}

.empty-globe {
    font-size: 64px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 3s ease-in-out infinite;
}

.empty-paths {
    position: absolute;
    inset: 0;
}

.path-line {
    position: absolute;
    width: 60px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    opacity: 0.3;
}

.path-line.path-1 {
    top: 20%;
    left: -10%;
    transform: rotate(-30deg);
    animation: pathPulse 2s ease-in-out infinite;
}

.path-line.path-2 {
    top: 60%;
    right: -10%;
    transform: rotate(20deg);
    animation: pathPulse 2s ease-in-out infinite 0.5s;
}

.path-line.path-3 {
    bottom: 15%;
    left: 10%;
    transform: rotate(45deg);
    animation: pathPulse 2s ease-in-out infinite 1s;
}

.results-empty h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.results-empty p {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* ─── Loading States ─── */
.results-loading {
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.loading-stages {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.stage {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    opacity: 0.3;
    transition: all var(--transition-slow);
}

.stage.active {
    opacity: 1;
}

.stage.complete {
    opacity: 0.7;
}

.stage-indicator {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    position: relative;
    flex-shrink: 0;
}

.stage.active .stage-indicator {
    border-color: var(--color-primary);
    animation: stagePulse 1.5s ease-in-out infinite;
}

.stage.active .stage-indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.stage.complete .stage-indicator {
    border-color: var(--color-success);
    background: var(--color-success);
}

.stage.complete .stage-indicator::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: var(--text-xs);
    font-weight: 700;
}

.stage span {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.stage.active span {
    color: var(--color-text-primary);
}

/* ─── Results Content ─── */
.results-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Result Header */
.result-header {
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.result-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
}

.result-score {
    position: relative;
    z-index: 1;
}

.score-ring {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.score-value {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-destination {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--space-2);
    position: relative;
    z-index: 1;
}

.result-neighborhood {
    font-size: var(--text-lg);
    color: var(--color-secondary-light);
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.result-neighborhood .pin {
    font-size: var(--text-xl);
}

/* Traveler Routes */
.result-routes {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.route-card {
    padding: var(--space-5);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.route-card:hover {
    border-color: var(--color-border-hover);
}

.route-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.route-traveler {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.route-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--text-sm);
    color: white;
}

.route-name {
    font-weight: 600;
    font-size: var(--text-base);
}

.route-cost {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-success);
}

.route-path {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    background: var(--color-bg-primary);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
}

.route-path .arrow {
    color: var(--color-primary-light);
    font-weight: 700;
}

.route-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

.route-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.route-book-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-primary-light);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: all var(--transition-fast);
}

.route-book-link:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.4);
}

/* Accommodation Card */
.result-accommodation {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.accommodation-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.accommodation-header h3 {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.accommodation-badge {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.accommodation-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.accommodation-detail {
    text-align: center;
}

.accommodation-detail-value {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

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

.accommodation-book {
    margin-top: var(--space-4);
    text-align: center;
}

/* Total Cost */
.result-total {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(6, 182, 212, 0.05));
    border: 1px solid rgba(99, 102, 241, 0.2);
    text-align: center;
}

.total-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-2);
}

.total-value {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.total-breakdown {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--space-2);
}

/* Alternative Destinations */
.result-alternatives {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.result-alternatives h3 {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
}

.alt-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.alt-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    background: var(--color-bg-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.alt-item:hover {
    background: var(--color-bg-tertiary);
}

.alt-city {
    font-weight: 600;
    font-size: var(--text-sm);
}

.alt-cost {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.alt-neighborhood {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

/* Error Banner */
.result-error {
    padding: var(--space-5);
    border-radius: var(--radius-md);
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

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

.result-error-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.result-error-text strong {
    color: var(--color-error);
}

/* JSON Export */
.result-json-toggle {
    text-align: center;
}

.json-output {
    margin-top: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 400px;
    overflow-y: auto;
    display: none;
}

.json-output.visible {
    display: block;
}

/* ─── Result Window Info ─── */
.result-window-info {
    margin-top: var(--space-4);
    padding: var(--space-3);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    text-align: center;
}

.window-dates {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.window-dates strong {
    color: var(--color-primary-light);
}

/* ─── Segment Booking ─── */
.route-segments-booking {
    margin-top: var(--space-4);
}

.segment-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.segment-book-btn {
    text-align: left;
    justify-content: flex-start;
    padding: var(--space-2) var(--space-3);
    font-size: 11px !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
}

.segment-book-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Segment Price Breakdown */
.route-segment-breakdown {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(6, 182, 212, 0.06));
    border: 1px solid rgba(99, 102, 241, 0.15);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
    text-align: center;
    letter-spacing: 0.3px;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .traveler-card-body {
        grid-template-columns: 1fr;
    }

    .accommodation-details {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .planner-results {
        position: static;
    }
}