/* ============================================================
   Fidelity ETRM — Premium Dark Design System
   Inspired by Linear, Vercel, Raycast
   ============================================================ */

/* Fonts loaded via App.razor <head> — Plus Jakarta Sans + JetBrains Mono */

/* --- Custom Properties --- */
:root {
    /* Background layers */
    --bg-base: #0C0C0E;
    --bg-surface: #141416;
    --bg-raised: #1A1A1E;
    --bg-overlay: #202024;
    --bg-hover: #252529;

    /* Borders */
    --border-default: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.1);
    --border-active: rgba(255, 255, 255, 0.15);

    /* Text */
    --text-primary: #ECECEE;
    --text-secondary: #8A8A8E;
    --text-tertiary: #5C5C63;

    /* Accent */
    --accent: #6366F1;
    --accent-light: #818CF8;
    --accent-soft: rgba(99, 102, 241, 0.12);
    --accent-glow: rgba(99, 102, 241, 0.25);

    /* Semantic */
    --success: #22C55E;
    --success-soft: rgba(34, 197, 94, 0.12);
    --error: #EF4444;
    --error-soft: rgba(239, 68, 68, 0.12);
    --warning: #EAB308;
    --warning-soft: rgba(234, 179, 8, 0.12);
    --info: #3B82F6;
    --info-soft: rgba(59, 130, 246, 0.12);

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Motion — spring-like easing */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 0.15s;
    --duration-normal: 0.25s;
    --duration-slow: 0.4s;
    --duration-enter: 0.5s;

    /* Legacy aliases (referenced in Razor files) */
    --etrm-bg: var(--bg-base);
    --etrm-surface: var(--bg-surface);
    --etrm-surface-raised: var(--bg-raised);
    --etrm-border: var(--border-default);
    --etrm-text: var(--text-primary);
    --etrm-text-muted: var(--text-secondary);
    --etrm-primary: var(--accent);
    --etrm-primary-soft: var(--accent-soft);
    --etrm-success: var(--success);
    --etrm-success-soft: var(--success-soft);
    --etrm-error: var(--error);
    --etrm-error-soft: var(--error-soft);
    --etrm-warning: var(--warning);
    --etrm-warning-soft: var(--warning-soft);
    --etrm-radius: var(--radius-md);
    --etrm-radius-sm: var(--radius-sm);
    --etrm-radius-lg: var(--radius-lg);

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 24px -4px var(--accent-glow);
}

/* --- Base --- */
html, body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
    line-height: 1.6;
}

/* Override MudBlazor font everywhere */
.mud-typography, .mud-input, .mud-button-root, .mud-chip, .mud-tab,
.mud-table, .mud-select, .mud-menu, .mud-dialog, .mud-alert,
.mud-navmenu, .mud-nav-link, .mud-appbar {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif !important;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.14);
}

/* --- Mono for financial data --- */
.mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-variant-numeric: tabular-nums;
    font-size: 0.8125rem;
    letter-spacing: 0;
}

/* --- Semantic value colours --- */
.value-positive { color: var(--success) !important; }
.value-negative { color: var(--error) !important; }
.value-neutral  { color: var(--text-secondary) !important; }

.risk-green { color: var(--success); }
.risk-amber { color: var(--warning); }
.risk-red   { color: var(--error); }


/* ============================================================
   CARDS — the core building block
   ============================================================ */

.card-elevated {
    background: var(--bg-surface) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-md) !important;
    transition: border-color var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
}

.card-elevated:hover {
    border-color: var(--border-hover) !important;
    box-shadow: var(--shadow-sm);
}

.card-interactive {
    background: var(--bg-surface) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-md) !important;
    transition: all var(--duration-normal) var(--ease-out);
    cursor: pointer;
}

.card-interactive:hover {
    border-color: var(--accent) !important;
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

/* --- KPI Cards --- */
.kpi-card {
    background: var(--bg-surface) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-md) !important;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
    z-index: 1;
}

.kpi-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover) !important;
}

.kpi-card:hover::before {
    opacity: 1;
}

/* Accent gradient bars — always visible */
.kpi-card.accent-blue::before   { background: linear-gradient(90deg, #6366F1 0%, #818CF8 40%, transparent 100%); opacity: 1; }
.kpi-card.accent-green::before  { background: linear-gradient(90deg, #22C55E 0%, #4ADE80 40%, transparent 100%); opacity: 1; }
.kpi-card.accent-orange::before { background: linear-gradient(90deg, #F59E0B 0%, #FBBF24 40%, transparent 100%); opacity: 1; }
.kpi-card.accent-red::before    { background: linear-gradient(90deg, #EF4444 0%, #F87171 40%, transparent 100%); opacity: 1; }
.kpi-card.accent-purple::before { background: linear-gradient(90deg, #A855F7 0%, #C084FC 40%, transparent 100%); opacity: 1; }

/* Subtle inner glow matching accent */
.kpi-card.accent-blue   { background: linear-gradient(180deg, rgba(99, 102, 241, 0.04) 0%, var(--bg-surface) 50%) !important; }
.kpi-card.accent-green  { background: linear-gradient(180deg, rgba(34, 197, 94, 0.04) 0%, var(--bg-surface) 50%) !important; }
.kpi-card.accent-orange { background: linear-gradient(180deg, rgba(245, 158, 11, 0.04) 0%, var(--bg-surface) 50%) !important; }
.kpi-card.accent-red    { background: linear-gradient(180deg, rgba(239, 68, 68, 0.04) 0%, var(--bg-surface) 50%) !important; }
.kpi-card.accent-purple { background: linear-gradient(180deg, rgba(168, 85, 247, 0.04) 0%, var(--bg-surface) 50%) !important; }


/* ============================================================
   ANIMATIONS — smooth, spring-like motion
   ============================================================ */

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-16px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes pulse-ring {
    0%   { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-4px); }
}

/* Staggered entrance classes */
.animate-in {
    animation: fadeInUp var(--duration-enter) var(--ease-out) both;
}

.animate-in-delay-1 { animation-delay: 0.06s; }
.animate-in-delay-2 { animation-delay: 0.12s; }
.animate-in-delay-3 { animation-delay: 0.18s; }
.animate-in-delay-4 { animation-delay: 0.24s; }
.animate-in-delay-5 { animation-delay: 0.30s; }

.animate-fade {
    animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

.animate-slide-left {
    animation: slideInLeft var(--duration-slow) var(--ease-out) both;
}

.page-enter {
    animation: fadeInUp var(--duration-enter) var(--ease-out) both;
}


/* ============================================================
   SKELETON LOADERS
   ============================================================ */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-surface) 25%,
        var(--bg-raised) 50%,
        var(--bg-surface) 75%
    );
    background-size: 400% 100%;
    animation: shimmer 2s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
    border-radius: 4px;
}

.skeleton-text:last-child { width: 60%; }

.skeleton-card {
    height: 100px;
    border-radius: var(--radius-md);
}


/* ============================================================
   TABLES — clean, spacious
   ============================================================ */

.mud-table-container {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    overflow: hidden;
}

.mud-table .mud-table-head .mud-table-cell {
    font-weight: 600;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-default) !important;
    background: var(--bg-raised) !important;
}

.mud-table .mud-table-body .mud-table-row {
    transition: background-color var(--duration-fast) var(--ease-out);
}

.mud-table .mud-table-body .mud-table-row:hover {
    background: var(--bg-hover) !important;
}

.mud-table .mud-table-body .mud-table-cell {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-default) !important;
}

/* DataGrid overrides */
.mud-data-grid .mud-table-head .mud-table-cell {
    background: var(--bg-raised) !important;
}


/* ============================================================
   STATUS INDICATORS
   ============================================================ */

.status-dot {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
}

.status-dot::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot.green::before  { background: var(--success); box-shadow: 0 0 8px var(--success-soft); }
.status-dot.amber::before  { background: var(--warning); box-shadow: 0 0 8px var(--warning-soft); }
.status-dot.red::before    { background: var(--error);   box-shadow: 0 0 8px var(--error-soft); }
.status-dot.blue::before   { background: var(--accent);  box-shadow: 0 0 8px var(--accent-soft); }

/* Static variant (no animation) */
.status-dot.static::before {
    animation: none;
}


/* ============================================================
   NAVIGATION
   ============================================================ */

.mud-nav-link {
    border-radius: var(--radius-sm) !important;
    margin: 2px 8px !important;
    padding: 8px 12px !important;
    transition: all var(--duration-normal) var(--ease-out) !important;
    position: relative;
    font-weight: 500 !important;
    font-size: 0.8125rem !important;
    color: var(--text-secondary) !important;
}

.mud-nav-link:hover {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

.mud-nav-link.active {
    background: var(--accent-soft) !important;
    color: var(--accent-light) !important;
}

.mud-nav-link.active .mud-nav-link-icon {
    color: var(--accent-light) !important;
}

.mud-nav-link .mud-nav-link-icon {
    transition: color var(--duration-normal) var(--ease-out) !important;
}

/* Drawer styling */
.mud-drawer {
    background: var(--bg-base) !important;
}


/* ============================================================
   BUTTONS
   ============================================================ */

.mud-button-root {
    transition: all var(--duration-normal) var(--ease-out) !important;
    font-weight: 600 !important;
    letter-spacing: -0.01em !important;
    text-transform: none !important;
    border-radius: var(--radius-sm) !important;
}

.mud-button-root:active {
    transform: scale(0.97);
}

/* Filled primary gets glow on hover */
.mud-button-filled.mud-button-primary:hover {
    box-shadow: var(--shadow-glow) !important;
}

/* Outlined buttons */
.mud-button-outlined {
    border-color: var(--border-default) !important;
}

.mud-button-outlined:hover {
    border-color: var(--border-hover) !important;
    background: var(--bg-hover) !important;
}


/* ============================================================
   CHIPS / BADGES
   ============================================================ */

.chip-soft-blue {
    background: var(--accent-soft) !important;
    color: var(--accent-light) !important;
    font-weight: 500 !important;
    border: none !important;
}

.chip-soft-green {
    background: var(--success-soft) !important;
    color: #4ADE80 !important;
    font-weight: 500 !important;
    border: none !important;
}

.chip-soft-red {
    background: var(--error-soft) !important;
    color: #F87171 !important;
    font-weight: 500 !important;
    border: none !important;
}

.chip-soft-orange {
    background: var(--warning-soft) !important;
    color: #FDE047 !important;
    font-weight: 500 !important;
    border: none !important;
}

.mud-chip {
    font-weight: 500 !important;
    border-radius: 6px !important;
}


/* ============================================================
   APPBAR
   ============================================================ */

.mud-appbar {
    background: var(--bg-base) !important;
    border-bottom: 1px solid var(--border-default) !important;
}

/* Ensure popovers/menus render above everything */
.mud-popover-provider {
    z-index: 10000 !important;
}

/* Custom appbar dropdowns */
.appbar-dropdown {
    position: fixed;
    top: 56px;
    z-index: 9999;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: scaleIn var(--duration-normal) var(--ease-out) both;
}

.dropdown-item {
    display: block;
    padding: 10px 18px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-out);
}

.dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}


/* ============================================================
   DIALOGS
   ============================================================ */

.mud-dialog {
    background: var(--bg-surface) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-xl) !important;
    animation: scaleIn var(--duration-slow) var(--ease-out) both;
}

.mud-overlay-dialog {
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}


/* ============================================================
   TABS
   ============================================================ */

.mud-tabs {
    border-radius: var(--radius-md) !important;
}

.mud-tab {
    font-weight: 600 !important;
    font-size: 0.8125rem !important;
    letter-spacing: -0.01em !important;
    text-transform: none !important;
    transition: all var(--duration-normal) var(--ease-out) !important;
}


/* ============================================================
   INPUTS
   ============================================================ */

.mud-input-outlined .mud-input-outlined-border {
    border-color: var(--border-default) !important;
    border-radius: var(--radius-sm) !important;
    transition: border-color var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out) !important;
}

.mud-input.mud-input-underline::after {
    border-color: var(--accent) !important;
}

.mud-input-outlined:focus-within .mud-input-outlined-border {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px var(--accent-soft) !important;
}


/* ============================================================
   ALERTS
   ============================================================ */

.mud-alert {
    border-radius: var(--radius-sm) !important;
}


/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 56px 24px;
    text-align: center;
    animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--text-tertiary);
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.empty-state-subtitle {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    max-width: 300px;
    line-height: 1.5;
}


/* ============================================================
   LOGIN
   ============================================================ */

.login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
    background-image:
        radial-gradient(ellipse at 20% 40%, rgba(99, 102, 241, 0.08), transparent 50%),
        radial-gradient(ellipse at 80% 60%, rgba(168, 85, 247, 0.06), transparent 50%),
        radial-gradient(ellipse at 50% 90%, rgba(34, 197, 94, 0.04), transparent 40%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 44px 36px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s var(--ease-out) both;
}

.login-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.login-input {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    outline: none;
    transition: border-color var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out),
                background var(--duration-normal) var(--ease-out);
}

.login-input::placeholder {
    color: var(--text-tertiary);
}

.login-input:hover {
    border-color: var(--border-hover);
    background: var(--bg-raised);
}

.login-input:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px var(--accent-soft);
    background: var(--bg-base);
}

.login-button {
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent), #7C3AED);
    color: white;
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
    text-align: center;
}

.login-button:hover {
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.login-button:active {
    transform: translateY(0) scale(0.98);
}

.login-link {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

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


/* ============================================================
   GLASSMORPHISM
   ============================================================ */

.glass {
    background: rgba(20, 20, 22, 0.6) !important;
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
}


/* ============================================================
   SNACKBAR / TOAST
   ============================================================ */

.mud-snackbar {
    border-radius: var(--radius-sm) !important;
    box-shadow: var(--shadow-lg) !important;
    font-weight: 500 !important;
}


/* ============================================================
   PROGRESS / CIRCULAR
   ============================================================ */

.mud-progress-circular svg circle:last-child {
    transition: stroke-dashoffset var(--duration-slow) var(--ease-out);
}


/* ============================================================
   TOOLTIP
   ============================================================ */

.mud-tooltip {
    border-radius: var(--radius-sm) !important;
    font-size: 0.75rem !important;
    font-weight: 500 !important;
}


/* ============================================================
   SELECTION COLOURS
   ============================================================ */

::selection {
    background: var(--accent-soft);
    color: var(--text-primary);
}


/* ============================================================
   PRINT
   ============================================================ */

@media print {
    .mud-drawer, .mud-appbar, .no-print {
        display: none !important;
    }
    .mud-main-content {
        margin: 0 !important;
        padding: 0 !important;
    }
    body {
        background-color: white !important;
        color: black !important;
    }
}
