/* Planner Page Styles */

.planner-layout {
    display: flex;
    min-height: 100vh;
    background: var(--color-bg);
}

/* Left Sidebar: Mode Selector */
.mode-sidebar {
    width: 280px;
    background: var(--color-bg-elevated);
    border-right: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.mode-selector {
    padding: var(--space-xl) var(--space-md);
}

.mode-option {
    position: relative;
    width: 100%;
    text-align: left;
    padding: var(--space-lg) var(--space-md);
    margin-bottom: var(--space-md);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
    background: var(--color-bg);
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
}

.mode-option::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    transform: scaleY(0);
    transition: transform var(--transition-base);
}

.mode-option:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-elevated);
    transform: translateX(4px);
}

.mode-option:hover::before {
    transform: scaleY(1);
}

.mode-option.mode-active {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg-elevated) 100%);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.mode-option.mode-active::before {
    transform: scaleY(1);
}

.mode-title {
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--color-text-primary);
    line-height: 1.4;
    margin-bottom: var(--space-xs);
}

.mode-subtitle {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Main Content Area */
.planner-main {
    flex: 1;
    padding: var(--space-2xl);
    overflow-y: auto;
    width: 100%;
}

.mode-content {
    animation: fadeIn 0.4s ease-out;
}

/* Section Styles */
.input-section {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xl);
    position: relative;
    padding-bottom: var(--space-md);
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
}

/* Form Styles */
.planner-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

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

.field-label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    font-family: var(--font-display);
}

.field-input {
    padding: var(--space-md) var(--space-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-base);
    max-width: 300px;
    background: var(--color-bg);
}

.field-input:hover {
    border-color: var(--color-primary);
}

.field-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
    background: var(--color-bg-elevated);
}

.field-input-row {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

/* Quick Buttons */
.quick-buttons {
    display: flex;
    gap: var(--space-sm);
}

.quick-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-elevated);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-display);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.quick-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.quick-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-btn:hover::before {
    opacity: 1;
}

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

/* Brand Tags */
.brand-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.brand-selector {
    margin-top: var(--space-sm);
}

.brand-select-dropdown {
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-elevated);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    min-width: 200px;
}

.brand-select-dropdown:hover {
    border-color: var(--color-primary);
}

.brand-select-dropdown:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.brand-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #ecfdf5 100%);
    color: var(--color-primary-dark);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-base);
    animation: slideIn 0.3s ease-out;
}

.brand-tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tag-remove {
    background: rgba(5, 150, 105, 0.1);
    border: none;
    color: var(--color-primary-dark);
    font-size: 1.125rem;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    font-weight: 700;
}

.tag-remove:hover {
    background: var(--color-error);
    color: white;
    transform: rotate(90deg);
}

.field-hint {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    font-style: italic;
}

/* Advanced Button */
.btn-advanced {
    padding: var(--space-md) var(--space-lg);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
}

.btn-advanced:hover {
    border-color: var(--color-primary);
    border-style: solid;
    color: var(--color-primary-dark);
    background: var(--color-primary-light);
}

/* Form Actions */
.form-actions {
    margin-top: var(--space-lg);
}

.btn-generate {
    width: 100%;
    max-width: 500px;
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.btn-generate:hover {
    transform: translateY(-3px) scale(1.02);
}

.btn-regenerate {
    background: linear-gradient(135deg, var(--color-accent) 0%, #d97706 100%) !important;
    box-shadow: var(--shadow-lg), 0 0 20px rgba(245, 158, 11, 0.3) !important;
}

.btn-regenerate:hover {
    box-shadow: var(--shadow-xl), 0 0 30px rgba(245, 158, 11, 0.5) !important;
}

/* Results Section */
.results-section {
    margin-top: var(--space-2xl);
    scroll-margin-top: var(--space-lg);
    animation: fadeIn 0.5s ease-out;
}

.results-header {
    margin-bottom: var(--space-xl);
}

.results-summary {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
    font-weight: 500;
}

/* Plan Cards Container */
.plan-cards-container {
    position: relative;
    display: flex;
    align-items: stretch;
    gap: var(--space-lg);
}

.nav-arrow {
    background: var(--color-bg-elevated);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    width: 56px;
    min-width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    align-self: center;
}

.nav-arrow:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border-color: var(--color-primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.nav-arrow:active:not(:disabled) {
    transform: scale(1);
}

.nav-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.plan-cards-viewport {
    flex: 1;
    overflow: hidden;
}

.plan-cards-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(400px, 1fr);
    gap: var(--space-xl);
    transition: transform var(--transition-slow);
}

/* Plan Card */
.plan-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    animation: slideIn 0.5s ease-out;
}

.plan-card-header {
    margin-bottom: var(--space-lg);
}

.plan-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--color-primary-dark);
    margin-bottom: var(--space-lg);
}

.plan-items {
    margin-bottom: var(--space-lg);
}

.plan-item {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

.plan-item:hover {
    background: var(--color-surface);
}

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

.item-name {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.item-name a {
    color: var(--color-primary-dark);
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: text-decoration-color var(--transition-fast);
}

.item-name a:hover {
    text-decoration-color: var(--color-primary);
}

/* Three-row grid layout for item details */
.item-details-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}

.item-detail-row {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    color: var(--color-text-secondary);
}

/* Legacy support for old structure */
.item-details {
    display: flex;
    gap: var(--space-lg);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}

.item-detail {
    display: flex;
    gap: var(--space-xs);
}

.item-detail-label {
    font-weight: 600;
}

/* Plan Footer (Totals) */
.plan-footer {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #ecfdf5 100%);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-primary);
}

.plan-footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.plan-totals {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
}

.plan-total-item {
    font-size: 1rem;
}

.plan-total-label {
    color: var(--color-text-secondary);
    margin-right: var(--space-xs);
    font-weight: 500;
}

.plan-total-value {
    font-weight: 800;
    font-family: var(--font-display);
    font-variant-numeric: tabular-nums;
    color: var(--color-primary-dark);
    font-size: 1.125rem;
}

.plan-total-price {
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: 800;
    font-family: var(--font-display);
    grid-column: 1 / -1;
    text-align: right;
    margin-top: var(--space-sm);
}

/* Single Item Results */
.items-list {
    display: grid;
    gap: var(--space-lg);
}

.item-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    animation: slideIn 0.3s ease-out;
}

.item-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.item-card-header {
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-border);
}

.item-card-name {
    font-size: 1.125rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.item-card-name a {
    color: var(--color-primary-dark);
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: text-decoration-color var(--transition-fast);
}

.item-card-name a:hover {
    text-decoration-color: var(--color-primary);
}

.item-card-brand {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    font-weight: 600;
}

.item-card-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-md);
    padding-top: var(--space-md);
}

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

.item-stat-label {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.item-stat-value {
    font-size: 1.25rem;
    font-weight: 800;
    font-family: var(--font-display);
    font-variant-numeric: tabular-nums;
    color: var(--color-text-primary);
}

.item-stat-highlight {
    color: var(--color-primary-dark);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--color-text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-tertiary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-surface);
    color: var(--color-text-primary);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--space-xl);
}

.placeholder-text {
    text-align: center;
    color: var(--color-text-tertiary);
    padding: var(--space-2xl) var(--space-lg);
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .planner-main {
        padding: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .planner-layout {
        flex-direction: column;
    }

    .mode-sidebar {
        width: 100%;
        height: auto;
        position: static;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .mode-selector {
        display: flex;
        gap: var(--space-sm);
        padding: var(--space-lg);
        overflow-x: auto;
    }

    .mode-option {
        min-width: 200px;
        margin-bottom: 0;
    }

    .planner-main {
        padding: var(--space-lg);
    }

    .field-input-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .plan-cards-container {
        gap: var(--space-sm);
    }

    .nav-arrow {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }

    .input-section {
        padding: var(--space-lg);
    }

    .item-card-body {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .quick-buttons {
        flex-wrap: wrap;
    }

    .brand-tags {
        gap: var(--space-xs);
    }

    .brand-tag {
        font-size: 0.8125rem;
        padding: var(--space-xs) var(--space-sm);
    }
}