/* ==========================================================================
   Shared Components — Buttons, Icons, Modals
   Used by all mini-apps via symlink + @import 'components.css'
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: var(--weight-black);
    text-transform: uppercase;
    border: 1px solid var(--border-dark, var(--theme-border-strong));
    border-radius: 0;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease, color 0.1s ease;
    box-shadow: none;
    line-height: 1;
    text-decoration: none;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-btn);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: none;
}

.btn:disabled {
    filter: grayscale(80%) opacity(0.6);
    cursor: not-allowed;
    pointer-events: none;
}

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

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

.btn-secondary {
    background-color: var(--theme-bg-surface);
    color: var(--text-main);
}

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

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-xs);
}

/* --------------------------------------------------------------------------
   Icon utility (mask-image system)
   -------------------------------------------------------------------------- */

.icon {
    width: 16px;
    height: 16px;
    display: inline-block;
    flex-shrink: 0;
    background-color: currentColor;
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
}

.icon-md {
    width: 20px;
    height: 20px;
}

.icon-lg {
    width: 48px;
    height: 48px;
}

.icon-xl {
    width: 64px;
    height: 64px;
}

.icon-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Icon color overrides */
.icon-success { background-color: var(--color-success); }
.icon-error   { background-color: var(--color-error); }
.icon-warning { background-color: var(--color-warning); }

/* --------------------------------------------------------------------------
   App Bar
   -------------------------------------------------------------------------- */

.app-bar {
    height: 28px;
    min-height: 28px;
    background: var(--theme-app-bar-bg, var(--theme-accent-secondary));
    background-image: linear-gradient(rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.18));
    color: var(--theme-text-inverse);
    border-bottom: 1px solid rgba(0, 0, 0, 0.35);
    display: flex;
    align-items: center;
    padding: 0 8px;
    gap: 6px;
    flex-shrink: 0;
    position: relative;
}

.app-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--header-bg-image);
    background-size: auto;
    background-repeat: repeat;
    filter: invert(1);
    opacity: 0.46;
    pointer-events: none;
    z-index: 0;
}

.app-bar > * {
    position: relative;
    z-index: 1;
}

.app-bar-title {
    font-size: var(--text-sm);
    font-weight: var(--weight-black);
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.app-bar-sub {
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    color: rgba(255, 255, 255, 0.6);
}

/* --------------------------------------------------------------------------
   Beveled Panel
   -------------------------------------------------------------------------- */

.panel {
    border: 1px solid var(--theme-border-strong);
    background: var(--theme-bg-panel);
    box-shadow:
        inset 1px 1px 0px var(--theme-bg-input, #fff),
        inset -1px -1px 0px var(--gray-400, #A3A3A3);
}

.panel-header {
    padding: 6px 12px;
    border-bottom: 1px solid var(--theme-border-strong);
    font-size: var(--text-xs);
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary, var(--text-muted));
}

.panel-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.panel-footer {
    padding: 8px 12px;
    border-top: 1px solid var(--theme-border-strong);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* --------------------------------------------------------------------------
   Modal scaffolding
   -------------------------------------------------------------------------- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: var(--space-4);
}

.modal-panel {
    width: 100%;
    max-width: 560px;
    max-height: 80vh;
    background-color: var(--theme-modal-bg);
    border: 1px solid var(--theme-border-strong);
    box-shadow: var(--theme-shadow-modal);
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--theme-border-normal);
}

.modal-title {
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--theme-border-normal);
}

/* --------------------------------------------------------------------------
   App Bar — spacer + right-side actions
   -------------------------------------------------------------------------- */

.app-bar-spacer {
    flex: 1;
}

/* --------------------------------------------------------------------------
   Theme Picker
   -------------------------------------------------------------------------- */

.theme-picker-wrap {
    position: relative;
}

/* App bar buttons — solid box, pop on hover */
.app-bar-btn,
.theme-picker-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    background: var(--theme-bg-input, #fff);
    border: 1px solid var(--theme-border-strong);
    border-radius: 0;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    box-shadow: none;
}

.app-bar-btn:hover,
.theme-picker-trigger:hover {
    transform: translateY(-2px);
    box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
}

.app-bar-btn:active,
.theme-picker-trigger:active {
    transform: translateY(0);
    box-shadow: none;
}

.app-bar-btn .icon,
.theme-picker-trigger .icon {
    width: 14px;
    height: 14px;
    background-color: var(--text-main, #1A1A1A);
}

/* Theme picker icon needs its mask-image defined */
.theme-picker-trigger .icon {
    -webkit-mask-image: url('../assets/icons/sun.svg');
    mask-image: url('../assets/icons/sun.svg');
}

/* Drawer backdrop — must be a real element for click-to-dismiss */
.theme-picker-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.25);
    z-index: 999;
}

.theme-picker-dropdown {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    background: var(--theme-bg-panel, #f5f5f5);
    border-left: 1px solid var(--theme-border-strong, #000);
    box-shadow: -3px 0 6px rgba(0, 0, 0, 0.15);
}

/* Drawer header */
.theme-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 8px;
    border-bottom: 1px solid var(--theme-border-strong, #000);
    box-shadow: inset 1px 1px 0 rgba(255,255,255,0.15), inset -1px -1px 0 rgba(0,0,0,0.08);
}

.theme-picker-header-title {
    font-size: var(--text-micro);
    font-weight: var(--weight-black, 900);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-main, #1A1A1A);
}

.theme-picker-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    padding: 0;
    background: var(--theme-bg-input, #fff);
    border: 1px solid var(--theme-border-strong, #000);
    cursor: pointer;
    transition: background 0.1s ease;
}

.theme-picker-close .icon {
    width: 12px;
    height: 12px;
}

.theme-picker-close:hover {
    background: #000;
}

.theme-picker-close:hover .icon {
    background-color: #fff;
}

.icon-close {
    -webkit-mask-image: url('../assets/icons/close.svg');
    mask-image: url('../assets/icons/close.svg');
}

/* Drawer body */
.theme-picker-body {
    flex: 1;
    overflow-y: auto;
    padding: 4px;
}

/* Drawer slide transitions */
.drawer-enter { transition: transform 0.2s ease, opacity 0.2s ease; }
.drawer-enter-from { transform: translateX(100%); opacity: 0; }
.drawer-enter-to { transform: translateX(0); opacity: 1; }
.drawer-leave { transition: transform 0.2s ease, opacity 0.2s ease; }
.drawer-leave-from { transform: translateX(0); opacity: 1; }
.drawer-leave-to { transform: translateX(100%); opacity: 0; }

.theme-picker-group-label {
    font-size: var(--text-2xs);
    font-weight: var(--weight-black, 900);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #fff;
    padding: 3px 8px;
    background: #1A6BD6;
    border-top: 1px solid #000;
    border-bottom: 1px solid #0D4FA3;
}

.theme-picker-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

.theme-picker-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    width: 100%;
    padding: 2px 6px;
    height: 18px;
    font-family: var(--font-mono, monospace);
    font-size: var(--text-2xs);
    font-weight: var(--weight-bold, 700);
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    background: #fff;
    border: none;
    border-bottom: 1px solid #D4D4D4;
    color: var(--text-main, #333);
    cursor: pointer;
    transition: background 0.08s ease;
}

.theme-picker-btn.alt {
    background: #F5F5F5;
    border-left: 1px solid #C8C8C8;
}

.theme-picker-btn:hover,
.theme-picker-btn.alt:hover {
    background: #DCE8FF !important;
}

.theme-picker-btn.active {
    background: #000 !important;
    color: #fff;
    font-weight: var(--weight-black, 900);
}

/* 5-color gradient bar swatch */
.theme-picker-swatch {
    display: block;
    flex-shrink: 0;
    width: 28px;
    height: 8px;
    outline: 1px solid rgba(0, 0, 0, 0.3);
}

.theme-picker-btn-label {
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

/* --------------------------------------------------------------------------
   Ghost Scrollbars — invisible until container hover
   -------------------------------------------------------------------------- */

.ghost-scroll,
.ghost-scroll * {
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
}

.ghost-scroll:hover,
.ghost-scroll:hover * {
    scrollbar-color: rgba(0, 0, 0, 0.25) transparent;
}

.ghost-scroll::-webkit-scrollbar,
.ghost-scroll *::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.ghost-scroll::-webkit-scrollbar-thumb,
.ghost-scroll *::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 0;
}

.ghost-scroll:hover::-webkit-scrollbar-thumb,
.ghost-scroll:hover *::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.25);
}

.ghost-scroll::-webkit-scrollbar-track,
.ghost-scroll *::-webkit-scrollbar-track {
    background: transparent;
}

/* --------------------------------------------------------------------------
   Inverted Sort Header — active sorted column
   -------------------------------------------------------------------------- */

.th-sorted {
    background: #000 !important;
    color: #fff !important;
}

/* --------------------------------------------------------------------------
   Status Pill Badges
   -------------------------------------------------------------------------- */

.badge-success {
    background: #F0FDF4;
    color: #15803D;
    border: 1px solid #BBF7D0;
    padding: 1px 6px;
    font-size: var(--text-micro);
    font-weight: var(--weight-bold, 700);
    text-transform: uppercase;
}

.badge-error {
    background: #FEF2F2;
    color: #B91C1C;
    border: 1px solid #FECACA;
    padding: 1px 6px;
    font-size: var(--text-micro);
    font-weight: var(--weight-bold, 700);
    text-transform: uppercase;
}

.badge-warning {
    background: #FFFBEB;
    color: #92400E;
    border: 1px solid #FDE68A;
    padding: 1px 6px;
    font-size: var(--text-micro);
    font-weight: var(--weight-bold, 700);
    text-transform: uppercase;
}

.badge-info {
    background: #EFF6FF;
    color: #1D4ED8;
    border: 1px solid #BFDBFE;
    padding: 1px 6px;
    font-size: var(--text-micro);
    font-weight: var(--weight-bold, 700);
    text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Cobalt Progress Bar — override default accent fill
   -------------------------------------------------------------------------- */

.progress-cobalt {
    background: var(--theme-accent-secondary, #1A6BD6);
}

/* --------------------------------------------------------------------------
   Active Tab Pattern — black bg + inverse text
   -------------------------------------------------------------------------- */

.tab-active {
    background: #000 !important;
    color: #fff !important;
    border-color: #000 !important;
}

/* --------------------------------------------------------------------------
   Form Fields
   -------------------------------------------------------------------------- */

.field-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 6px;
}

.field-group:last-child {
    margin-bottom: 0;
}

.field-label {
    display: block;
    font-size: var(--text-micro);
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.field-input,
.field-select {
    width: 100%;
    height: 24px;
    padding: 3px 6px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    background: var(--theme-bg-input, #fff);
    color: var(--text-main);
    border: 1px solid var(--theme-border-strong);
    box-sizing: border-box;
}

.field-input:focus,
.field-select:focus {
    outline: none;
    border-color: var(--theme-accent-secondary);
}

.field-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23666'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
    padding-right: 20px;
}

/* --------------------------------------------------------------------------
   Segmented Control
   -------------------------------------------------------------------------- */

.seg-group {
    display: flex;
}

.seg-btn {
    height: 24px;
    padding: 0 8px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--theme-border-strong);
    background: var(--theme-bg-surface, var(--theme-bg-panel));
    color: var(--text-secondary, var(--text-muted));
    cursor: pointer;
    transition: color 0.1s ease;
}

.seg-group .seg-btn + .seg-btn {
    border-left: none;
}

.seg-btn:hover {
    color: var(--theme-accent-secondary);
}

.seg-btn.active {
    background: var(--theme-bg-active, #000);
    color: var(--theme-selected-ink, #fff);
    border-color: var(--theme-bg-active, #000);
}

.seg-group .seg-btn.active + .seg-btn {
    border-left-color: var(--theme-bg-active, #000);
}

/* --------------------------------------------------------------------------
   Progress Bar
   -------------------------------------------------------------------------- */

.progress-track {
    width: 100%;
    height: 14px;
    background: var(--theme-bg-input, var(--theme-bg-surface));
    border: 1px solid var(--theme-border-strong);
    overflow: hidden;
}

.progress-track-sm { height: 6px; }
.progress-track-lg { height: 24px; }

.progress-fill {
    height: 100%;
    background: var(--theme-accent-secondary);
    transition: width 0.3s ease;
}

.progress-fill.indeterminate {
    background-image: repeating-linear-gradient(
        -45deg, transparent, transparent 8px,
        rgba(255,255,255,0.1) 8px, rgba(255,255,255,0.1) 16px
    );
    background-size: 32px 32px;
    animation: progress-stripe 1s linear infinite;
}

@keyframes progress-stripe {
    from { background-position: 0 0; }
    to { background-position: 32px 0; }
}

/* --------------------------------------------------------------------------
   Data Table
   -------------------------------------------------------------------------- */

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 1;
}

.data-table th {
    padding: 6px 8px;
    text-align: left;
    font-size: var(--text-xs);
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary, var(--text-muted));
    border-bottom: 1px solid var(--theme-border-strong);
    background: var(--theme-bg-panel);
    white-space: nowrap;
    user-select: none;
}

.data-table td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--theme-border-strong);
    white-space: nowrap;
    vertical-align: middle;
    color: #1A1A1A;
}

.data-table tbody tr td { background: #FFFFFF; }
.data-table tbody tr.row-even td { background: #FAFAFA; }
.data-table tbody tr:hover td { background: #F0F0F0; }

/* --------------------------------------------------------------------------
   Stat Card
   -------------------------------------------------------------------------- */

.stat-card {
    border: 1px solid var(--theme-border-strong);
    background: var(--theme-bg-panel);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-card-label {
    font-size: var(--text-micro);
    font-weight: var(--weight-black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.stat-card-value {
    font-size: var(--text-5xl);
    font-weight: var(--weight-black);
    line-height: 1;
    color: var(--text-main);
}

.stat-card-unit {
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Empty State
   -------------------------------------------------------------------------- */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: var(--text-xs);
    text-transform: uppercase;
    font-weight: var(--weight-bold);
    letter-spacing: 0.5px;
    gap: 8px;
}

.empty-state .icon {
    width: 32px;
    height: 32px;
    background-color: var(--text-muted);
    opacity: 0.4;
}