/* BYU CSSA Event Planner - Styles */

/* === CSS Variables === */
:root {
    --color-bg: #0f1419;
    --color-surface: #1a1f26;
    --color-surface-elevated: #242b35;
    --color-border: #2d3640;
    --color-text: #e6edf3;
    --color-text-muted: #8b949e;
    --color-primary: #c9302c;
    --color-primary-hover: #e03e3a;
    --color-secondary: #3d444d;
    --color-secondary-hover: #4a525c;
    --color-success: #238636;
    --color-success-hover: #2ea043;
    --color-accent: #d29922;
    --color-accent-hover: #e6ac27;
    --color-link: #58a6ff;
    --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'IBM Plex Mono', 'SF Mono', Consolas, monospace;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

/* === Reset & Base === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* === Header === */
.site-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, #8b1a17 100%);
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.5px;
}

.logo:hover {
    text-decoration: none;
    opacity: 0.9;
}

.tagline {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
}

/* === Container === */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* === Page Header === */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.back-link {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.back-link:hover {
    color: var(--color-text);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-text);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-secondary-hover);
}

.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: var(--color-success-hover);
}

.btn-accent {
    background: var(--color-accent);
    color: #1a1f26;
}

.btn-accent:hover:not(:disabled) {
    background: var(--color-accent-hover);
}

.btn-block {
    width: 100%;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

/* === Events Grid === */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.event-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: block;
    color: inherit;
    transition: all 0.2s ease;
    position: relative;
}

.event-card:hover {
    text-decoration: none;
    background: var(--color-surface-elevated);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.event-status {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 999px;
    margin-bottom: 0.75rem;
}

.status-new {
    background: rgba(139, 148, 158, 0.2);
    color: var(--color-text-muted);
}

.status-draft {
    background: rgba(88, 166, 255, 0.2);
    color: var(--color-link);
}

.status-finalized {
    background: rgba(35, 134, 54, 0.2);
    color: #3fb950;
}

.status-complete {
    background: rgba(210, 153, 34, 0.2);
    color: var(--color-accent);
}

.event-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.event-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.event-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    grid-column: 1 / -1;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--color-text-muted);
}

/* === Loading & Error === */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
}

.error {
    text-align: center;
    padding: 2rem;
    color: #f85149;
    background: rgba(248, 81, 73, 0.1);
    border-radius: var(--radius-md);
}

/* === Modal === */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text);
}

/* === Forms === */
form {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: border-color 0.15s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding-top: 0.5rem;
}

/* === Event Detail Layout === */
.event-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 900px) {
    .event-layout {
        grid-template-columns: 1fr;
    }
}

.event-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.event-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* === Cards === */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.card h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-empty {
    opacity: 0.6;
}

.card-finalized {
    border-color: var(--color-success);
    background: linear-gradient(135deg, var(--color-surface) 0%, rgba(35, 134, 54, 0.05) 100%);
}

.card-request {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, var(--color-surface) 0%, rgba(210, 153, 34, 0.05) 100%);
}

.card-purchases {
    border-color: var(--color-link);
    background: linear-gradient(135deg, var(--color-surface) 0%, rgba(88, 166, 255, 0.05) 100%);
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header-row h3 {
    margin-bottom: 0;
}

/* === Event Detail Content === */
.idea-text {
    color: var(--color-text);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.idea-meta {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.actions-card .action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.draft-text,
.request-text {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-wrap: break-word;
    background: var(--color-bg);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    max-height: 500px;
    overflow-y: auto;
}

.event-desc {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.components-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.component {
    padding: 1rem;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.component p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.prep-items {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.prep-items li {
    background: var(--color-surface-elevated);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* === Purchase Tables === */
.expense-requests {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.expense-request {
    background: var(--color-bg);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.vendor-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.items-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.items-table th,
.items-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.items-table th {
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.items-table tbody tr:hover {
    background: var(--color-surface-elevated);
}

.items-table tfoot {
    font-weight: 600;
}

.items-table tfoot td {
    border-bottom: none;
}

.item-name {
    font-weight: 500;
}

.item-justification {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.grand-total {
    text-align: right;
    font-size: 1.1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--color-border);
}

/* === Footer === */
.site-footer {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--color-border);
    margin-top: 4rem;
}