/* ===== CSS Variables ===== */
:root {
    --primary: #0066cc;
    --primary-dark: #004499;
    --primary-light: #e8f4ff;
    --accent: #00aaff;
    --danger: #dc3545;
    --success: #28a745;
    --warning: #f5a623;
    --text: #333;
    --text-light: #777;
    --bg: #f0f4f8;
    --card-bg: #ffffff;
    --border: #e0e8f0;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

[ng-cloak] { display: none !important; }

/* ===== Animations ===== */
@keyframes fadeInUp {
    from { opacity:0; transform:translateY(30px); }
    to { opacity:1; transform:translateY(0); }
}
@keyframes fadeIn {
    from { opacity:0; }
    to { opacity:1; }
}
@keyframes slideInLeft {
    from { opacity:0; transform:translateX(-30px); }
    to { opacity:1; transform:translateX(0); }
}
@keyframes slideInRight {
    from { opacity:0; transform:translateX(30px); }
    to { opacity:1; transform:translateX(0); }
}
@keyframes pulse {
    0%,100% { transform:scale(1); }
    50% { transform:scale(1.05); }
}
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
@keyframes float {
    0%,100% { transform:translateY(0); }
    50% { transform:translateY(-6px); }
}

.animate-fade-in { animation: fadeIn 0.5s ease forwards; }
.animate-fade-up { animation: fadeInUp 0.5s ease forwards; }
.animate-slide-left { animation: slideInLeft 0.5s ease forwards; }
.animate-slide-right { animation: slideInRight 0.5s ease forwards; }

/* Staggered animation delays */
.stagger-1 { animation-delay: 0.1s; opacity:0; }
.stagger-2 { animation-delay: 0.2s; opacity:0; }
.stagger-3 { animation-delay: 0.3s; opacity:0; }
.stagger-4 { animation-delay: 0.4s; opacity:0; }

/* ===== Header ===== */
.app-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    text-decoration: none;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    animation: float 3s ease-in-out infinite;
}

.brand h1 {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.brand p {
    font-size: 0.75rem;
    opacity: 0.8;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ===== Navigation Tabs ===== */
.nav-tabs-container {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 74px;
    z-index: 90;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.nav-tabs-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    gap: 4px;
    overflow-x: auto;
}

.nav-tab {
    padding: 14px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-light);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-tab:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.nav-tab i {
    font-size: 1rem;
}

/* ===== Main Content ===== */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* ===== Cards ===== */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, #fafbfc, #f5f7fa);
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header h2 i {
    color: var(--primary);
    font-size: 1.15rem;
}

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

/* ===== Form Elements ===== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: #555;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
    background: #fafbfc;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
    background: white;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23777' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

/* ===== Grid Layouts ===== */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.grid-3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:16px; }
.grid-4 { display:grid; grid-template-columns:1fr 1fr 1fr 1fr; gap:16px; }

@media (max-width:768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns:1fr; }
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}
.btn-primary:hover { box-shadow: 0 4px 15px rgba(0,102,204,0.35); transform:translateY(-1px); }

.btn-success {
    background: linear-gradient(135deg, var(--success), #1e7e34);
    color: white;
}
.btn-success:hover { box-shadow: 0 4px 15px rgba(40,167,69,0.35); transform:translateY(-1px); }

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #c82333);
    color: white;
}
.btn-danger:hover { box-shadow: 0 4px 15px rgba(220,53,69,0.35); transform:translateY(-1px); }

.btn-ghost {
    background: transparent;
    color: var(--text-light);
    border: 1.5px solid var(--border);
}
.btn-ghost:hover { background: var(--bg); border-color: var(--primary); color: var(--primary); }

.btn-sm { padding:6px 14px; font-size:0.8rem; }
.btn-lg { padding:14px 32px; font-size:1rem; }

.btn-icon {
    width:36px; height:36px; padding:0;
    display:flex; align-items:center; justify-content:center;
    border-radius:8px;
}

/* ===== Item Cards (Hotels, Vehicles, Locations) ===== */
.item-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.item-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    animation: fadeInUp 0.5s ease forwards;
}

.item-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.item-card-image {
    height: 200px;
    background: linear-gradient(135deg, #e8f4ff, #f0f4f8);
    position: relative;
    overflow: hidden;
}

.item-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.item-card:hover .item-card-image img {
    transform: scale(1.05);
}

.item-card-image .placeholder-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-size: 3rem;
}

.item-card-image .image-count {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.6);
    color: white;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.item-card-body {
    padding: 16px;
}

.item-card-body h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.item-card-body .meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
}

.item-card-body .meta span {
    font-size: 0.82rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.item-card-body .meta span i {
    width: 16px;
    text-align: center;
}

.item-card-actions {
    display: flex;
    gap: 8px;
}

.item-card-actions .btn {
    flex: 1;
    justify-content: center;
}

/* ===== Image Upload ===== */
.image-upload-zone {
    border: 2px dashed var(--border);
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: #fafbfc;
    position: relative;
}

.image-upload-zone:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.image-upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.image-upload-zone i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.image-upload-zone p {
    font-size: 0.85rem;
    color: var(--text-light);
}

.image-preview-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.image-preview-item {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.image-preview-item:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.15); }

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-item .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.image-preview-item:hover .remove-btn { opacity: 1; }

/* ===== Two-Column Layout ===== */
.layout-2col {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 24px;
    align-items: start;
}

@media (max-width:1024px) {
    .layout-2col { grid-template-columns:1fr; }
}

/* ===== Sticky Sidebar ===== */
.sticky-sidebar {
    position: sticky;
    top: 140px;
}

/* ===== Day Builder ===== */
.day-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    animation: fadeInUp 0.3s ease forwards;
    background: var(--card-bg);
}

.day-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.day-badge {
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.day-actions { display:flex; gap:4px; }
.day-actions .btn-icon {
    background: rgba(255,255,255,0.15);
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    font-size: 0.75rem;
}
.day-actions .btn-icon:hover { background: rgba(255,255,255,0.3); }

.day-item-body {
    padding: 18px;
}

/* ===== Option Cards ===== */
.option-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width:768px) {
    .option-section { grid-template-columns: 1fr; }
}

.option-card {
    border: 2px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.option-card:hover { box-shadow: var(--shadow); }

.option-card.option-1 { border-color: var(--primary); }
.option-card.option-2 { border-color: #6c757d; }

.option-card-header {
    padding: 12px 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.option-card.option-1 .option-card-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.option-card.option-2 .option-card-header {
    background: linear-gradient(135deg, #6c757d, #495057);
    color: white;
}

.option-card-body { padding: 16px; background: #fafbfc; }

.option-hotel-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

.option-hotel-item:last-child { border-bottom: none; }

/* ===== Tags/Chips ===== */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
}

.tag .remove {
    cursor: pointer;
    font-size: 0.7rem;
    opacity: 0.7;
}

.tag .remove:hover { opacity: 1; }

/* ===== Summary Panel ===== */
.summary-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: var(--radius);
    overflow: hidden;
}

.summary-card .card-header {
    background: rgba(0,0,0,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.summary-card .card-header h2 {
    color: white;
}

.summary-card .card-header h2 i {
    color: rgba(255,255,255,0.8);
}

.summary-card .card-body {
    padding: 18px 24px;
}

.summary-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.summary-row:last-child { border-bottom: none; }

.summary-row i { width:20px; text-align:center; opacity:0.8; }

/* ===== Generate Button ===== */
.generate-btn {
    width: 100%;
    padding: 16px;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 10px;
    background: white;
    color: var(--primary);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.generate-btn:hover {
    background: #f0f7ff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

.generate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.generate-btn .spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0,102,204,0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== Inclusions/Exclusions List ===== */
.list-editable {
    list-style: none;
    padding: 0;
}

.list-editable li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.87rem;
}

.list-editable li:last-child { border-bottom: none; }

.list-add {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.list-add input {
    flex: 1;
}

/* ===== Info Box ===== */
.info-box {
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
    font-size: 0.85rem;
    color: var(--primary-dark);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ===== Duration Display ===== */
.duration-display {
    background: linear-gradient(135deg, var(--primary-light), #dceeff);
    border: 1px solid #b8d9f7;
    border-radius: 10px;
    padding: 14px 20px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
    animation: fadeIn 0.5s ease;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: #bbb;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1rem;
}

/* ===== Error Alert ===== */
.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--danger);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

/* ===== Footer ===== */
.app-footer {
    background: #1a2332;
    color: rgba(255,255,255,0.6);
    text-align: center;
    padding: 24px;
    margin-top: 48px;
    font-size: 0.85rem;
}

.app-footer strong { color: white; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-thumb { background:#ccc; border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:#999; }

/* ===== Loading Overlay ===== */
.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
    padding: 80px 24px;
    color: var(--text-light);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ===== Preview Image ===== */
.preview-thumb {
    width: 100%;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: #f5f7fa;
}

.preview-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-thumb .placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-size: 0.8rem;
    gap: 4px;
}

.preview-thumb .placeholder i { font-size: 1.5rem; }