/* Swiss Design System - Stardom */

:root {
    --off-white: #F5F5F5;
    --off-black: #1A1A1A;
    --gray-light: #E0E0E0;
    --gray-mid: #9E9E9E;
    --gray-dark: #424242;
    --accent: #000000;
    --error: #D32F2F;
    --success: #388E3C;

    --font-stack: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;

    --border-width: 1px;
    --border-radius: 0;
}

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

body {
    font-family: var(--font-stack);
    background-color: var(--off-white);
    color: var(--off-black);
    line-height: 1.5;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.screen {
    min-height: 100vh;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

/* Login Screen */
#login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--off-white);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-xl);
    border: var(--border-width) solid var(--off-black);
    background-color: white;
}

.login-container h1 {
    margin-bottom: var(--spacing-sm);
    font-size: 3rem;
    letter-spacing: -0.03em;
}

.subtitle {
    margin-bottom: var(--spacing-xl);
    color: var(--gray-dark);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Form Elements */
input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
select {
    width: 100%;
    padding: var(--spacing-md);
    border: var(--border-width) solid var(--off-black);
    background-color: white;
    font-family: var(--font-stack);
    font-size: 1rem;
    color: var(--off-black);
    transition: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

select {
    background-image: url('data:image/svg+xml;utf8,<svg width="12" height="8" viewBox="0 0 12 8" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M1 1L6 6L11 1" stroke="%231A1A1A" stroke-width="2"/></svg>');
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: calc(var(--spacing-md) * 3);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--off-black);
    box-shadow: 0 0 0 2px var(--off-black);
}

/* Remove number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

input::placeholder {
    color: var(--gray-mid);
}

small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--gray-mid);
    font-size: 0.75rem;
}

/* Buttons */
button {
    padding: var(--spacing-md) var(--spacing-lg);
    border: var(--border-width) solid var(--off-black);
    background-color: var(--off-black);
    color: var(--off-white);
    font-family: var(--font-stack);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.15s ease;
}

button:hover {
    background-color: var(--gray-dark);
    border-color: var(--gray-dark);
}

button:active {
    transform: translateY(1px);
}

button.secondary {
    background-color: transparent;
    color: var(--off-black);
}

button.secondary:hover {
    background-color: var(--gray-light);
    border-color: var(--off-black);
}

.btn-primary {
    background-color: var(--off-black);
    color: var(--off-white);
}

/* Error Messages */
.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
}

/* Top Bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: var(--border-width) solid var(--off-black);
    background-color: white;
}

.top-bar-left {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-lg);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.chart-week {
    font-size: 0.875rem;
    color: var(--gray-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.top-bar-nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.75rem;
}

/* Settings Dropdown */
.settings-dropdown {
    position: relative;
}

.settings-toggle {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.25rem;
    line-height: 1;
}

.settings-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    min-width: 180px;
    background-color: white;
    border: var(--border-width) solid var(--off-black);
    display: none;
    flex-direction: column;
    z-index: 1000;
}

.settings-menu.active {
    display: flex;
}

.settings-menu button {
    padding: var(--spacing-md);
    border: none;
    border-bottom: var(--border-width) solid var(--gray-light);
    background-color: white;
    color: var(--off-black);
    text-align: left;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0;
}

.settings-menu button:last-child {
    border-bottom: none;
}

.settings-menu button:hover {
    background-color: var(--off-black);
    color: var(--off-white);
}

/* Main Content */
.main-content {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

/* Chart Container */
.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: var(--border-width) solid var(--gray-light);
}

.chart-header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.chart-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.chart-column {
    min-width: 0; /* Prevent overflow */
}

.chart-column-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--off-black);
}

.chart-column-header h3 {
    font-size: 1.125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Chart Table */
.chart-table {
    width: 100%;
    border-collapse: collapse;
    border: var(--border-width) solid var(--off-black);
}

.chart-table thead {
    background-color: var(--off-black);
    color: var(--off-white);
}

.chart-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-right: var(--border-width) solid var(--gray-dark);
}

.chart-table th:last-child {
    border-right: none;
}

.chart-table td {
    padding: var(--spacing-md);
    border-bottom: var(--border-width) solid var(--gray-light);
    border-right: var(--border-width) solid var(--gray-light);
}

.chart-table td:last-child {
    border-right: none;
}

.chart-table tbody tr {
    background-color: white;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.chart-table tbody tr:hover {
    background-color: var(--off-white);
}

/* Release Cell */
.release-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.release-image {
    width: 48px;
    height: 48px;
    border: var(--border-width) solid var(--off-black);
    object-fit: cover;
    flex-shrink: 0;
}

.release-info {
    display: flex;
    flex-direction: column;
}

.release-name {
    font-weight: 700;
    font-size: 1rem;
}

.release-artist {
    font-size: 0.875rem;
    color: var(--gray-dark);
}

/* Expand Button */
.expand-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    background-color: white;
    border: var(--border-width) solid var(--off-black);
    font-size: 0.75rem;
    line-height: 1;
    cursor: pointer;
    transition: all 0.15s ease;
}

.expand-btn:hover {
    background-color: var(--off-black);
    color: var(--off-white);
    transform: none;
}

/* Release Details Row */
.release-details {
    background-color: var(--off-white);
}

.release-details.hidden {
    display: none;
}

.release-details-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.release-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    border: var(--border-width) solid var(--gray-light);
    background-color: white;
}

.release-actions {
    display: flex;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: var(--border-width) solid var(--gray-light);
}

.release-actions button {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.75rem;
}

/* Stats */
.stat-number {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-mid);
    text-transform: uppercase;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    border: var(--border-width) solid var(--gray-light);
    background-color: white;
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
    color: var(--gray-mid);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    background-color: white;
    border: var(--border-width) solid var(--off-black);
    display: flex;
    flex-direction: column;
}

.modal-large {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: var(--border-width) solid var(--off-black);
    background-color: var(--off-black);
    color: var(--off-white);
}

.modal-header h2 {
    font-size: 1.25rem;
}

.close-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    background-color: transparent;
    border: var(--border-width) solid var(--off-white);
    color: var(--off-white);
    font-size: 1.5rem;
    line-height: 1;
}

.close-btn:hover {
    background-color: var(--off-white);
    color: var(--off-black);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

/* Form Sections */
.form-section {
    margin-bottom: var(--spacing-xl);
}

.form-section:last-child {
    margin-bottom: 0;
}

.form-section h3 {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: var(--border-width) solid var(--gray-light);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Artists List */
.artists-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.artist-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border: var(--border-width) solid var(--gray-light);
    background-color: white;
}

.artist-card-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.artist-avatar {
    width: 48px;
    height: 48px;
    border: var(--border-width) solid var(--off-black);
    object-fit: cover;
}

.artist-details {
    display: flex;
    flex-direction: column;
}

.artist-name {
    font-weight: 700;
    font-size: 1rem;
}

.artist-level {
    font-size: 0.875rem;
    color: var(--gray-dark);
}

.artist-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.artist-actions button {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.75rem;
}

/* Checkbox Grid */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: var(--border-width) solid var(--gray-light);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.placeholder-text {
    color: var(--gray-mid);
    font-size: 0.875rem;
    font-style: italic;
}

/* Export Buttons */
.export-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Promo Activities */
.promo-tabs {
    display: flex;
    gap: 0;
    border-bottom: var(--border-width) solid var(--off-black);
    margin-bottom: var(--spacing-lg);
}

.promo-tab {
    flex: 1;
    padding: var(--spacing-md);
    background-color: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: var(--font-stack);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-dark);
    cursor: pointer;
    transition: all 0.15s ease;
}

.promo-tab:hover {
    background-color: var(--gray-light);
    color: var(--off-black);
}

.promo-tab.active {
    background-color: var(--off-black);
    color: var(--off-white);
    border-bottom-color: var(--off-black);
}

.promo-tab-content {
    display: none;
}

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

.promo-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.promo-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border: var(--border-width) solid var(--gray-light);
    background-color: white;
    gap: var(--spacing-md);
    transition: border-color 0.15s ease;
}

.promo-item:hover:not(.disabled) {
    border-color: var(--off-black);
}

.promo-item.disabled {
    opacity: 0.4;
    background-color: var(--gray-light);
}

.promo-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.promo-item-name {
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1.3;
}

.promo-item-meta {
    font-size: 0.8125rem;
    color: var(--gray-mid);
    line-height: 1.3;
}

.promo-item-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.promo-quantity {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.promo-quantity-label {
    font-size: 0.75rem;
    color: var(--gray-mid);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.promo-quantity-controls {
    display: inline-flex;
    align-items: center;
    border: var(--border-width) solid var(--off-black);
    width: auto;
}

.promo-quantity-btn {
    width: 20px;
    height: 20px;
    padding: 0;
    border: none;
    background-color: white;
    border-right: var(--border-width) solid var(--off-black);
    font-family: var(--font-stack);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    flex-shrink: 0;
}

.promo-quantity-btn:last-child {
    border-right: none;
    border-left: var(--border-width) solid var(--off-black);
}

.promo-quantity-btn:hover {
    background-color: var(--off-black);
    color: var(--off-white);
}

.promo-quantity-btn:active {
    transform: none;
}

.promo-quantity-input {
    width: 28px;
    padding: 2px;
    border: none;
    background-color: white;
    font-family: var(--font-stack);
    font-size: 0.75rem;
    font-weight: 700;
    text-align: center;
    flex-shrink: 0;
}

.promo-quantity-input:focus {
    outline: none;
    box-shadow: none;
}

.promo-toggle {
    position: relative;
    width: 48px;
    height: 28px;
    background-color: var(--gray-light);
    border: var(--border-width) solid var(--off-black);
    cursor: pointer;
    transition: background-color 0.15s ease;
    flex-shrink: 0;
}

.promo-toggle:hover:not(.disabled) {
    background-color: var(--gray-mid);
}

.promo-toggle.active {
    background-color: var(--off-black);
}

.promo-toggle.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: var(--gray-mid);
}

.promo-toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background-color: white;
    border: var(--border-width) solid var(--off-black);
    transition: transform 0.15s ease;
}

.promo-toggle.active .promo-toggle-slider {
    transform: translateX(20px);
}

.promo-save-btn {
    margin-top: var(--spacing-xl);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
}

/* Confirm Modal */
.confirm-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.confirm-actions button {
    flex: 1;
}

/* Linked Singles List */
.linked-singles-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 200px;
    overflow-y: auto;
    padding: var(--spacing-sm);
    border: var(--border-width) solid var(--gray-light);
    background-color: var(--off-white);
}

.linked-single-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: white;
    border: var(--border-width) solid var(--gray-light);
    cursor: pointer;
    transition: border-color 0.15s ease;
}

.linked-single-item:hover {
    border-color: var(--off-black);
}

.linked-single-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0;
}

.linked-single-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.linked-single-name {
    font-size: 0.875rem;
    font-weight: 700;
}

.linked-single-type {
    font-size: 0.75rem;
    color: var(--gray-mid);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Responsive */
@media (max-width: 1200px) {
    .chart-split {
        grid-template-columns: 1fr;
        gap: var(--spacing-xxl);
    }
}

@media (max-width: 768px) {
    .top-bar {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }

    .top-bar-nav {
        flex-wrap: wrap;
        width: 100%;
    }

    .nav-btn {
        flex: 1;
    }

    .chart-table {
        font-size: 0.875rem;
    }

    .chart-table th,
    .chart-table td {
        padding: var(--spacing-sm);
    }

    .release-image {
        width: 32px;
        height: 32px;
    }
}

/* Image Preview */
.image-preview {
    width: 100%;
    max-width: 200px;
    margin-top: var(--spacing-sm);
    border: var(--border-width) solid var(--gray-light);
    overflow: hidden;
}

.image-preview img {
    width: 100%;
    height: auto;
    display: block;
}