/**
 * IMT Tracker Design System - Reusable Components
 * Buttons, badges, cards, modals, forms, tables
 */

/* =============================================
   BUTTONS - Base
   ============================================= */
.btn {
    padding: var(--space-md) var(--space-2xl);
    font-family: var(--sans);
    font-size: var(--text-md);
    font-weight: var(--font-medium);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: white;
    border: 1px solid var(--border);
    color: var(--ink);
}

.btn-secondary:hover {
    border-color: var(--ink);
}

.btn:disabled {
    background: var(--border);
    color: var(--muted);
    cursor: not-allowed;
}

.btn-sm {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-base);
}

/* =============================================
   BUTTONS - Action (Table)
   ============================================= */
.action-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    background: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    font-size: var(--text-md);
}

.action-btn:hover {
    background: var(--paper);
}

.action-btn.approve:hover {
    background: var(--success-light);
    border-color: var(--success);
    color: var(--success);
}

.action-btn.reject:hover {
    background: var(--error-light);
    border-color: var(--error);
    color: var(--error);
}

.action-btn.view:hover {
    background: var(--paper-warm);
    border-color: var(--ink);
}

.action-btns {
    display: flex;
    gap: var(--space-sm);
}

/* =============================================
   BUTTONS - Quick Entry
   ============================================= */
.quick-btn {
    flex: 1;
    padding: var(--space-sm);
    font-family: var(--mono);
    font-size: var(--text-sm);
    background: var(--paper);
    border: 1px solid var(--border);
    color: var(--muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-btn:hover,
.quick-btn:active {
    background: var(--ink);
    color: white;
    border-color: var(--ink);
}

/* =============================================
   BUTTONS - Filter
   ============================================= */
.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-base);
    background: white;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn.active {
    background: var(--ink);
    color: white;
    border-color: var(--ink);
}

/* =============================================
   BUTTONS - Dropdown
   ============================================= */
.dropdown-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: var(--text-2xl);
    color: var(--muted);
}

.dropdown-btn:hover {
    color: var(--ink);
}

/* =============================================
   BADGES - Status
   ============================================= */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px var(--space-md);
    font-family: var(--mono);
    font-size: var(--text-sm);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-md);
}

.status-badge.pending,
.status-badge.draft {
    background: var(--warning-light);
    color: var(--warning-text);
}

.status-badge.submitted {
    background: var(--warning-light);
    color: var(--warning-text);
}

.status-badge.approved {
    background: var(--success-light);
    color: var(--success);
}

.status-badge.rejected {
    background: var(--error-light);
    color: var(--error);
}

/* Status dot with pulse animation */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: currentColor;
    animation: pulse 2s infinite;
}

/* =============================================
   BADGES - Today/Holiday
   ============================================= */
.today-badge {
    font-family: var(--mono);
    font-size: var(--text-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: var(--accent);
    color: white;
    padding: 3px var(--space-sm);
}

.holiday-badge {
    font-family: var(--mono);
    font-size: var(--text-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: var(--success-light);
    color: var(--success);
    padding: 3px var(--space-sm);
}

/* =============================================
   BADGES - Navigation
   ============================================= */
.nav-badge {
    background: var(--accent);
    color: white;
    font-family: var(--mono);
    font-size: var(--text-sm);
    padding: 2px var(--space-sm);
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

/* =============================================
   AVATARS
   ============================================= */
.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: white;
    flex-shrink: 0;
}

.user-avatar.large {
    width: 48px;
    height: 48px;
    font-size: var(--text-xl);
}

.user-avatar.xl {
    width: 56px;
    height: 56px;
    font-size: var(--text-2xl);
}

.user-avatar.muted {
    background: var(--paper-warm);
    color: var(--muted);
}

/* =============================================
   FORMS - Form Group
   ============================================= */
.form-group {
    margin-bottom: var(--space-xl);
}

.form-group label {
    display: block;
    font-family: var(--mono);
    font-size: var(--text-sm);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md) var(--space-md);
    font-family: var(--sans);
    font-size: var(--text-md);
    border: 1px solid var(--border);
    background: white;
    transition: border-color var(--transition-base);
}

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

.form-group input::placeholder {
    color: var(--border);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

/* =============================================
   FORMS - Hour Input (Specialized)
   ============================================= */
.hour-input {
    width: 80px;
    padding: var(--space-md) var(--space-md);
    font-family: var(--mono);
    font-size: var(--text-xl);
    text-align: center;
    border: 1px solid var(--border);
    background: var(--paper);
    transition: all var(--transition-base);
}

.hour-input:focus {
    outline: none;
    border-color: var(--ink);
    background: white;
}

.hour-input::placeholder {
    color: var(--border);
}

/* =============================================
   FORMS - Select/Dropdown
   ============================================= */
.period-select {
    font-family: var(--sans);
    font-size: var(--text-lg);
    padding: 10px 40px 10px var(--space-lg);
    border: 1px solid var(--border);
    background: var(--paper);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b6560' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    cursor: pointer;
}

/* =============================================
   CARDS - Stat Card
   ============================================= */
.stat-card {
    background: white;
    border: 1px solid var(--border);
    padding: var(--space-2xl);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.stat-card.pending::before { background: var(--warning); }
.stat-card.approved::before { background: var(--success); }
.stat-card.rejected::before { background: var(--error); }
.stat-card.total::before { background: var(--accent); }

.stat-label {
    font-family: var(--mono);
    font-size: var(--text-sm);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--space-sm);
}

.stat-value {
    font-size: var(--text-5xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-xs);
}

.stat-change {
    font-size: var(--text-base);
    color: var(--muted);
}

/* =============================================
   CARDS - Summary Card (Mobile)
   ============================================= */
.summary-card {
    background: white;
    padding: var(--space-lg);
    text-align: center;
}

.summary-label {
    font-family: var(--mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--space-xs);
}

.summary-value {
    font-size: var(--text-4xl);
    font-weight: var(--font-semibold);
}

.summary-value.imt { color: var(--accent); }
.summary-value.station { color: var(--success); }

/* =============================================
   CARDS - User Card
   ============================================= */
.user-card {
    background: white;
    border: 1px solid var(--border);
    padding: var(--space-2xl);
    position: relative;
}

.user-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.user-card-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: var(--text-xl);
    color: white;
}

.user-card-info h3 {
    font-family: var(--sans);
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    margin-bottom: 2px;
}

.user-card-info p {
    font-size: var(--text-base);
    color: var(--muted);
    margin-bottom: 0;
}

.user-card-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.meta-item {
    font-size: var(--text-base);
}

.meta-label {
    color: var(--muted);
    margin-bottom: 2px;
}

.meta-value {
    font-weight: var(--font-medium);
}

.user-card-actions {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
}

/* =============================================
   CARDS - Report Card
   ============================================= */
.report-card {
    background: white;
    border: 1px solid var(--border);
    padding: var(--space-2xl);
    cursor: pointer;
    transition: all var(--transition-base);
}

.report-card:hover {
    border-color: var(--ink);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.report-icon {
    font-size: 32px;
    margin-bottom: var(--space-lg);
}

.report-card h3 {
    font-family: var(--sans);
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-sm);
}

.report-card p {
    font-size: var(--text-base);
    color: var(--muted);
    margin-bottom: var(--space-lg);
}

.report-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--mono);
    font-size: var(--text-sm);
    color: var(--muted);
}

/* =============================================
   CARDS - Setup Card
   ============================================= */
.setup-card {
    background: white;
    border: 1px solid var(--border);
}

.setup-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) var(--space-2xl);
    border-bottom: 1px solid var(--border);
}

.setup-card-header h3 {
    font-family: var(--serif);
    font-size: var(--text-2xl);
    font-weight: var(--font-normal);
}

.setup-card-body {
    padding: var(--space-2xl);
}

.setup-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border);
}

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

.setup-label {
    font-size: var(--text-md);
    color: var(--muted);
}

.setup-value {
    font-family: var(--mono);
    font-size: var(--text-md);
    font-weight: var(--font-medium);
}

/* =============================================
   MODALS
   ============================================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--space-xl);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: white;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) var(--space-2xl);
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-family: var(--serif);
    font-size: var(--text-4xl);
    font-weight: var(--font-normal);
}

.modal-close {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    font-size: var(--text-4xl);
    cursor: pointer;
    color: var(--muted);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

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

.modal-body {
    padding: var(--space-2xl);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-xl) var(--space-2xl);
    border-top: 1px solid var(--border);
}

/* =============================================
   TABLES
   ============================================= */
.timesheet-table {
    background: white;
    border: 1px solid var(--border);
    overflow: hidden;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) var(--space-2xl);
    border-bottom: 1px solid var(--border);
    background: var(--paper);
}

.table-title {
    font-family: var(--serif);
    font-size: var(--text-3xl);
}

.table-filters {
    display: flex;
    gap: var(--space-md);
}

th {
    text-align: left;
    padding: var(--space-md) var(--space-xl);
    font-family: var(--mono);
    font-size: var(--text-sm);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--paper);
    border-bottom: 1px solid var(--border);
}

td {
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--border);
    font-size: var(--text-md);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background: rgba(0, 0, 0, 0.02);
}

/* Employee Cell in Table */
.employee-cell {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.employee-name {
    font-weight: var(--font-medium);
}

.employee-id {
    font-family: var(--mono);
    font-size: var(--text-sm);
    color: var(--muted);
}

/* Hours Breakdown in Table */
.hours-breakdown {
    display: flex;
    gap: var(--space-lg);
}

.hours-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hours-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-sm);
}

.hours-dot.imt { background: var(--accent); }
.hours-dot.station { background: var(--success); }

/* =============================================
   DETAIL VIEW (Modal Content)
   ============================================= */
.detail-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.detail-avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: var(--text-2xl);
    color: white;
}

.detail-info h3 {
    font-family: var(--sans);
    font-size: var(--text-3xl);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-xs);
}

.detail-info p {
    font-size: var(--text-base);
    color: var(--muted);
    margin-bottom: 0;
}

.detail-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.detail-stat {
    background: var(--paper);
    padding: var(--space-lg);
    text-align: center;
}

.detail-stat-label {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--space-xs);
}

.detail-stat-value {
    font-size: var(--text-4xl);
    font-weight: var(--font-semibold);
}

.detail-stat-value.imt { color: var(--accent); }
.detail-stat-value.station { color: var(--success); }

/* Week Breakdown */
.week-breakdown {
    margin-bottom: var(--space-xl);
}

.week-breakdown h4 {
    font-family: var(--sans);
    font-size: var(--text-md);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border);
}

.day-row {
    display: grid;
    grid-template-columns: 100px 1fr 80px 80px;
    gap: var(--space-md);
    padding: 10px 0;
    font-size: var(--text-base);
    align-items: center;
}

.day-row:not(:last-child) {
    border-bottom: 1px dashed var(--border);
}

.day-name-col {
    font-weight: var(--font-medium);
}

.day-date-col {
    color: var(--muted);
    font-family: var(--mono);
    font-size: 12px;
}

.hours-col {
    text-align: right;
    font-family: var(--mono);
}

/* =============================================
   ANIMATION DELAYS (Cards)
   ============================================= */
.stat-card,
.user-card,
.report-card,
.setup-card {
    animation: fadeIn 0.4s ease forwards;
    opacity: 0;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.15s; }
.stat-card:nth-child(3) { animation-delay: 0.2s; }
.stat-card:nth-child(4) { animation-delay: 0.25s; }

.user-card:nth-child(1) { animation-delay: 0.05s; }
.user-card:nth-child(2) { animation-delay: 0.1s; }
.user-card:nth-child(3) { animation-delay: 0.15s; }
.user-card:nth-child(4) { animation-delay: 0.2s; }
.user-card:nth-child(5) { animation-delay: 0.25s; }
.user-card:nth-child(6) { animation-delay: 0.3s; }

.report-card:nth-child(1) { animation-delay: 0.05s; }
.report-card:nth-child(2) { animation-delay: 0.1s; }
.report-card:nth-child(3) { animation-delay: 0.15s; }
.report-card:nth-child(4) { animation-delay: 0.2s; }
.report-card:nth-child(5) { animation-delay: 0.25s; }
.report-card:nth-child(6) { animation-delay: 0.3s; }