/*
 * VaulCe SaaS Components — CSS
 *
 * Defines all shared classes used by the SaaS Platform admin UI, the
 * SaaSDataGrid component, the Stablecoin Issuer page, and modal dialogs.
 *
 * Built on top of the --vc-* design tokens from vaulce.css.
 */

/* ========================================
   Theme Aliases
   Maps short-hand CSS variables used in inline
   styles to the canonical --vc-* tokens.
   ======================================== */
:root {
    --color-primary:   var(--vc-color-primary);
    --color-success:   var(--vc-color-success);
    --color-warning:   var(--vc-color-warning);
    --color-danger:    var(--vc-color-danger);
    --color-accent:    var(--vc-color-info);
    --text-secondary:  var(--vc-text-secondary);
    --border-color:    var(--vc-border-light);
}

/* ========================================
   Page Structure
   ======================================== */
.page-container {
    padding: var(--vc-spacing-xl);
    max-width: 1440px;
}

.page-header {
    margin-bottom: var(--vc-spacing-xl);
}

.page-header h1 {
    margin: 0 0 var(--vc-spacing-xs) 0;
    font-size: var(--vc-font-size-2xl);
    font-weight: var(--vc-font-weight-bold);
    color: var(--vc-text-primary);
}

.page-subtitle {
    margin: 0;
    font-size: var(--vc-font-size-sm);
    color: var(--vc-text-secondary);
}

/* ========================================
   Stat / KPI Cards
   ======================================== */
.stat-card {
    background: var(--vc-bg-card);
    border: 1px solid var(--vc-border-light);
    border-radius: var(--vc-radius-lg);
    padding: var(--vc-spacing-lg);
    box-shadow: var(--vc-shadow-sm);
    transition: box-shadow var(--vc-transition-fast);
}

.stat-card:hover {
    box-shadow: var(--vc-shadow-md);
}

.stat-label {
    font-size: var(--vc-font-size-xs);
    font-weight: var(--vc-font-weight-medium);
    color: var(--vc-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--vc-spacing-xs);
}

.stat-value {
    font-size: var(--vc-font-size-2xl);
    font-weight: var(--vc-font-weight-bold);
    color: var(--vc-text-primary);
    line-height: 1.2;
}

/* ========================================
   Section Card (generic content container)
   ======================================== */
.section-card {
    background: var(--vc-bg-card);
    border: 1px solid var(--vc-border-light);
    border-radius: var(--vc-radius-lg);
    padding: var(--vc-spacing-lg);
    box-shadow: var(--vc-shadow-sm);
}

.section-card h3 {
    margin: 0;
    font-size: var(--vc-font-size-lg);
    font-weight: var(--vc-font-weight-semibold);
    color: var(--vc-text-primary);
}

/* ========================================
   Data Grid  (SaaSDataGrid + inline tables)
   ======================================== */
.saas-datagrid-container {
    overflow: hidden;
}

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

.vc-datagrid-thead {
    background: var(--vc-bg-hover);
}

.vc-datagrid-th {
    padding: var(--vc-spacing-sm) var(--vc-spacing-md);
    text-align: left;
    font-weight: var(--vc-font-weight-semibold);
    color: var(--vc-text-secondary);
    font-size: var(--vc-font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
    border-bottom: 2px solid var(--vc-border-light);
}

.vc-datagrid-row {
    border-bottom: 1px solid var(--vc-border-light);
    transition: background var(--vc-transition-fast);
}

.vc-datagrid-row:hover {
    background: var(--vc-bg-hover);
}

.vc-datagrid-td {
    padding: var(--vc-spacing-sm) var(--vc-spacing-md);
    color: var(--vc-text-primary);
    vertical-align: middle;
}

.vc-datagrid-td code {
    font-size: var(--vc-font-size-xs);
    background: var(--vc-bg-hover);
    padding: 2px 6px;
    border-radius: var(--vc-radius-sm);
    font-family: 'Consolas', 'Courier New', monospace;
}

/* ========================================
   Status Badges
   ======================================== */
.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--vc-radius-full);
    font-size: var(--vc-font-size-xs);
    font-weight: var(--vc-font-weight-medium);
    line-height: 1.6;
    white-space: nowrap;
    background: var(--vc-bg-hover);
    color: var(--vc-text-secondary);
}

.status-badge.active {
    background: rgba(16, 185, 129, 0.12);
    color: #059669;
}

.status-badge.inactive {
    background: rgba(239, 68, 68, 0.10);
    color: #dc2626;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--vc-spacing-xs);
    padding: 8px 16px;
    font-size: var(--vc-font-size-sm);
    font-family: var(--vc-font-family);
    font-weight: var(--vc-font-weight-medium);
    color: var(--vc-text-primary);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--vc-radius-md);
    cursor: pointer;
    transition: all var(--vc-transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primary — full-size */
.btn.btn-primary,
.btn-primary {
    padding: 8px 20px;
    font-size: var(--vc-font-size-sm);
    font-weight: var(--vc-font-weight-semibold);
    background: var(--vc-color-primary);
    color: var(--vc-text-inverse);
    border-color: var(--vc-color-primary);
}

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

.btn.btn-primary:active:not(:disabled),
.btn-primary:active:not(:disabled) {
    background: var(--vc-color-primary-active);
    border-color: var(--vc-color-primary-active);
}

/* Primary — small */
.btn.btn-primary-sm,
.btn-primary-sm {
    padding: 6px 14px;
    font-size: var(--vc-font-size-sm);
    font-weight: var(--vc-font-weight-semibold);
    background: var(--vc-color-primary);
    color: var(--vc-text-inverse);
    border-color: var(--vc-color-primary);
}

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

/* Outline — small */
.btn.btn-outline-sm,
.btn-outline-sm {
    padding: 5px 12px;
    font-size: var(--vc-font-size-xs);
    font-weight: var(--vc-font-weight-medium);
    background: transparent;
    color: var(--vc-color-primary);
    border: 1px solid var(--vc-border-medium);
}

.btn.btn-outline-sm:hover:not(:disabled),
.btn-outline-sm:hover:not(:disabled) {
    background: var(--vc-color-primary-light);
    border-color: var(--vc-color-primary);
}

/* Danger outline modifier */
.btn.btn-danger-outline,
.btn-danger-outline {
    color: var(--vc-color-danger);
}

.btn.btn-danger-outline:hover:not(:disabled),
.btn-danger-outline:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.08);
    border-color: var(--vc-color-danger);
    color: var(--vc-color-danger);
}

/* ========================================
   Form Controls
   ======================================== */
.form-control {
    display: block;
    width: 100%;
    padding: 8px 12px;
    font-size: var(--vc-font-size-sm);
    font-family: var(--vc-font-family);
    color: var(--vc-text-primary);
    background: var(--vc-bg-input);
    border: 1px solid var(--vc-border-medium);
    border-radius: var(--vc-radius-md);
    transition: border-color var(--vc-transition-fast), box-shadow var(--vc-transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--vc-color-primary);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.15);
}

/* ========================================
   Loading Indicator & Spinner
   ======================================== */
.loading-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--vc-spacing-sm);
    padding: var(--vc-spacing-2xl);
    color: var(--vc-text-secondary);
    font-size: var(--vc-font-size-sm);
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2.5px solid var(--vc-border-light);
    border-top-color: var(--vc-color-primary);
    border-radius: 50%;
    animation: vc-spin 0.7s linear infinite;
}

@keyframes vc-spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Dialog / Modal Overlays (sc-* classes)
   Used by Stablecoin Issuer and SaaS pages.
   ======================================== */
.sc-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 900;
    animation: vc-fade-in 150ms ease;
}

.sc-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--vc-bg-card);
    border: 1px solid var(--vc-border-light);
    border-radius: var(--vc-radius-xl);
    padding: var(--vc-spacing-xl);
    min-width: 420px;
    max-width: 560px;
    width: 90vw;
    box-shadow: var(--vc-shadow-xl);
    z-index: 910;
    animation: vc-slide-up 200ms ease;
}

.sc-dialog h3 {
    margin: 0 0 var(--vc-spacing-lg) 0;
    font-size: var(--vc-font-size-xl);
    font-weight: var(--vc-font-weight-semibold);
}

.sc-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--vc-spacing-sm);
    margin-top: var(--vc-spacing-lg);
    padding-top: var(--vc-spacing-md);
    border-top: 1px solid var(--vc-border-light);
}

@keyframes vc-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes vc-slide-up {
    from { opacity: 0; transform: translate(-50%, -46%); }
    to   { opacity: 1; transform: translate(-50%, -50%); }
}

/* ── Dialog form fields ──────────────────── */
.sc-field {
    margin-bottom: var(--vc-spacing-md);
}

.sc-field label {
    display: block;
    font-size: var(--vc-font-size-xs);
    font-weight: var(--vc-font-weight-semibold);
    color: var(--vc-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

.sc-fc,
.sc-field input,
.sc-field select,
.sc-field textarea {
    display: block;
    width: 100%;
    padding: 8px 12px;
    font-size: var(--vc-font-size-sm);
    font-family: var(--vc-font-family);
    color: var(--vc-text-primary);
    background: var(--vc-bg-input);
    border: 1px solid var(--vc-border-medium);
    border-radius: var(--vc-radius-md);
    transition: border-color var(--vc-transition-fast);
}

.sc-fc:focus,
.sc-field input:focus,
.sc-field select:focus {
    outline: none;
    border-color: var(--vc-color-primary);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.15);
}

/* ── Dialog buttons ──────────────────────── */
.sc-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    font-size: var(--vc-font-size-sm);
    font-weight: var(--vc-font-weight-semibold);
    font-family: var(--vc-font-family);
    color: var(--vc-text-inverse);
    background: var(--vc-color-primary);
    border: none;
    border-radius: var(--vc-radius-md);
    cursor: pointer;
    transition: background var(--vc-transition-fast);
}

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

.sc-btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.sc-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    font-size: var(--vc-font-size-sm);
    font-weight: var(--vc-font-weight-medium);
    font-family: var(--vc-font-family);
    color: var(--vc-text-secondary);
    background: transparent;
    border: 1px solid var(--vc-border-medium);
    border-radius: var(--vc-radius-md);
    cursor: pointer;
    transition: all var(--vc-transition-fast);
}

.sc-btn-ghost:hover {
    background: var(--vc-bg-hover);
    color: var(--vc-text-primary);
}

/* ── Feedback messages ───────────────────── */
.sc-error {
    padding: var(--vc-spacing-sm) var(--vc-spacing-md);
    margin-top: var(--vc-spacing-sm);
    font-size: var(--vc-font-size-sm);
    color: #991b1b;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--vc-radius-md);
}

.sc-success {
    padding: var(--vc-spacing-sm) var(--vc-spacing-md);
    margin-top: var(--vc-spacing-sm);
    font-size: var(--vc-font-size-sm);
    color: #065f46;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--vc-radius-md);
}

/* ========================================
   Stablecoin Issuer — page-specific classes
   Used by StablecoinIssuer.razor
   ======================================== */

/* Stats row */
.sc-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--vc-spacing-md);
    margin-bottom: var(--vc-spacing-xl);
}

.sc-stat-card {
    display: flex;
    align-items: center;
    gap: var(--vc-spacing-md);
    background: var(--vc-bg-card);
    border: 1px solid var(--vc-border-light);
    border-radius: var(--vc-radius-lg);
    padding: var(--vc-spacing-md) var(--vc-spacing-lg);
    box-shadow: var(--vc-shadow-sm);
}

.sc-stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--vc-radius-lg);
    background: var(--vc-color-primary-light);
    color: var(--vc-color-primary);
    flex-shrink: 0;
}

.sc-stat-icon.reserve  { background: rgba(16, 185, 129, 0.12); color: #059669; }
.sc-stat-icon.surplus   { background: rgba(16, 185, 129, 0.12); color: #059669; }
.sc-stat-icon.surplus.neg { background: rgba(239, 68, 68, 0.10); color: #dc2626; }
.sc-stat-icon.assets    { background: rgba(59, 130, 246, 0.12); color: #2563eb; }
.sc-stat-icon.txns      { background: rgba(139, 92, 246, 0.12); color: #7c3aed; }
.sc-stat-icon.supply    { background: var(--vc-color-primary-light); color: var(--vc-color-primary); }

.sc-stat-body {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.sc-stat-value {
    font-size: var(--vc-font-size-xl);
    font-weight: var(--vc-font-weight-bold);
    color: var(--vc-text-primary);
    line-height: 1.2;
}

.sc-stat-value.neg {
    color: var(--vc-color-danger);
}

.sc-stat-label {
    font-size: var(--vc-font-size-xs);
    color: var(--vc-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Tabs */
.sc-tabs {
    display: flex;
    gap: 2px;
    border-bottom: 2px solid var(--vc-border-light);
    margin-bottom: var(--vc-spacing-xl);
}

.sc-tab {
    padding: var(--vc-spacing-sm) var(--vc-spacing-lg);
    font-size: var(--vc-font-size-sm);
    font-weight: var(--vc-font-weight-medium);
    font-family: var(--vc-font-family);
    color: var(--vc-text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all var(--vc-transition-fast);
}

.sc-tab:hover {
    color: var(--vc-text-primary);
}

.sc-tab.active {
    color: var(--vc-color-primary);
    border-bottom-color: var(--vc-color-primary);
    font-weight: var(--vc-font-weight-semibold);
}

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

.sc-section-hdr {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--vc-spacing-md);
}

.sc-section-title {
    margin: 0;
    font-size: var(--vc-font-size-lg);
    font-weight: var(--vc-font-weight-semibold);
}

/* Symbol badge */
.sc-sym {
    font-weight: var(--vc-font-weight-bold);
    color: var(--vc-color-primary);
}

/* Monospace utility */
.mono {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: var(--vc-font-size-sm);
}

/* Customer bar (Stablecoin Issuer) */
.sc-customer-bar {
    display: flex;
    align-items: center;
    gap: var(--vc-spacing-md);
    padding: var(--vc-spacing-md) var(--vc-spacing-lg);
    background: var(--vc-bg-card);
    border: 1px solid var(--vc-border-light);
    border-radius: var(--vc-radius-lg);
    margin-bottom: var(--vc-spacing-xl);
}

.sc-cust-label {
    font-size: var(--vc-font-size-xs);
    font-weight: var(--vc-font-weight-semibold);
    color: var(--vc-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.sc-cust-wrap {
    position: relative;
    flex: 1;
}

.sc-cust-drop {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--vc-bg-card);
    border: 1px solid var(--vc-border-medium);
    border-radius: var(--vc-radius-md);
    box-shadow: var(--vc-shadow-lg);
    z-index: 100;
    max-height: 220px;
    overflow-y: auto;
}

.sc-cust-row {
    display: flex;
    justify-content: space-between;
    padding: var(--vc-spacing-sm) var(--vc-spacing-md);
    cursor: pointer;
    transition: background var(--vc-transition-fast);
}

.sc-cust-row:hover {
    background: var(--vc-bg-hover);
}

.sc-cust-name {
    font-weight: var(--vc-font-weight-medium);
}

.sc-cust-id {
    font-size: var(--vc-font-size-xs);
    color: var(--vc-text-muted);
}

.sc-cust-selected {
    display: flex;
    align-items: center;
    gap: var(--vc-spacing-md);
    flex: 1;
}

.sc-cust-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--vc-color-primary-light);
    color: var(--vc-color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--vc-font-weight-bold);
    font-size: var(--vc-font-size-sm);
    flex-shrink: 0;
}

.sc-cust-info {
    min-width: 0;
}

.sc-cust-clear {
    background: none;
    border: 1px solid var(--vc-border-medium);
    border-radius: var(--vc-radius-md);
    padding: 4px 10px;
    font-size: var(--vc-font-size-xs);
    color: var(--vc-text-secondary);
    cursor: pointer;
    transition: all var(--vc-transition-fast);
}

.sc-cust-clear:hover {
    background: var(--vc-bg-hover);
    color: var(--vc-text-primary);
}

/* Stablecoin action panels */
.sc-panels {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--vc-spacing-lg);
}

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

.sc-panel {
    background: var(--vc-bg-card);
    border: 1px solid var(--vc-border-light);
    border-radius: var(--vc-radius-lg);
    padding: var(--vc-spacing-lg);
    box-shadow: var(--vc-shadow-sm);
}

.sc-panel h3 {
    margin: 0 0 var(--vc-spacing-md) 0;
    font-size: var(--vc-font-size-md);
    font-weight: var(--vc-font-weight-semibold);
}

/* ========================================
   Dark mode overrides for SaaS components
   ======================================== */
@media (prefers-color-scheme: dark) {
    .status-badge.active {
        background: rgba(16, 185, 129, 0.18);
        color: #34d399;
    }

    .status-badge.inactive {
        background: rgba(239, 68, 68, 0.15);
        color: #f87171;
    }

    .sc-error {
        color: #fca5a5;
        background: rgba(239, 68, 68, 0.15);
        border-color: rgba(239, 68, 68, 0.30);
    }

    .sc-success {
        color: #6ee7b7;
        background: rgba(16, 185, 129, 0.15);
        border-color: rgba(16, 185, 129, 0.30);
    }
}