/* ═══════════════════════════════════════════════════════════════
   PRECISE LITHOGRAPH DESIGN SYSTEM
   High-End Energy & Fintech SaaS
   ═══════════════════════════════════════════════════════════════ */

*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    /* ── Core Palette (Material 3 Tonal) ── */
    --primary: #00352e;
    --primary-container: #0d4d44;
    --on-primary: #ffffff;
    --on-primary-container: #83bdb1;
    --primary-fixed: #b3eee1;
    --primary-fixed-dim: #98d2c5;
    --on-primary-fixed: #00201b;
    --on-primary-fixed-variant: #115046;
    --inverse-primary: #98d2c5;
    --surface-tint: #2f685e;

    --secondary: #0060a8;
    --secondary-container: #47a1ff;
    --on-secondary: #ffffff;
    --on-secondary-container: #003663;
    --secondary-fixed: #d3e4ff;
    --secondary-fixed-dim: #a2c9ff;
    --on-secondary-fixed: #001c38;
    --on-secondary-fixed-variant: #004881;

    --tertiary: #34008f;
    --tertiary-container: #4c00ca;
    --on-tertiary: #ffffff;
    --on-tertiary-container: #b9a4ff;
    --tertiary-fixed: #e8deff;
    --tertiary-fixed-dim: #cdbdff;
    --on-tertiary-fixed: #20005f;
    --on-tertiary-fixed-variant: #4f00d0;

    --error: #ba1a1a;
    --error-container: #ffdad6;
    --on-error: #ffffff;
    --on-error-container: #93000a;

    /* ── Surfaces & Tonal Layering ── */
    --background: #f8fafb;
    --on-background: #191c1d;
    --surface: #f8fafb;
    --surface-bright: #f8fafb;
    --surface-dim: #d8dadb;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f2f4f5;
    --surface-container: #eceeef;
    --surface-container-high: #e6e8e9;
    --surface-container-highest: #e1e3e4;
    --surface-variant: #e1e3e4;
    --on-surface: #191c1d;
    --on-surface-variant: #404946;
    --inverse-surface: #2e3132;
    --inverse-on-surface: #eff1f2;
    --outline: #707976;
    --outline-variant: #bfc9c5;

    /* ── Legacy compatibility aliases ── */
    --bg: var(--background);
    --text: var(--on-surface);
    --muted: var(--on-surface-variant);
    --line: rgba(191, 201, 197, 0.15);
    --line-strong: rgba(112, 121, 118, 0.28);
    --brand: var(--secondary);
    --brand-strong: var(--on-secondary-container);
    --brand-soft: var(--secondary-fixed);
    --accent: var(--tertiary);
    --accent-soft: var(--tertiary-fixed);
    --success: #0f9f6e;
    --danger: #ba1a1a;
    --warning: #d97706;
    --info: #0060a8;

    /* ── Typography ── */
    --font-headline: "Manrope", "Segoe UI Variable Display", sans-serif;
    --font-body: "Inter", "Segoe UI Variable Text", "Segoe UI", sans-serif;
    --font-label: "Inter", "Segoe UI Variable Text", sans-serif;
    --font-mono: "Cascadia Code", "IBM Plex Mono", Consolas, monospace;
    /* Legacy aliases */
    --font-sans: var(--font-body);
    --font-display: var(--font-headline);

    /* ── Elevation ── */
    --radius-xl: 24px;
    --radius-lg: 20px;
    --radius-md: 14px;
    --shadow-lithograph: 0 12px 40px rgba(0, 53, 46, 0.06);
    --shadow-soft: 0 12px 40px rgba(0, 53, 46, 0.06);
    --shadow-card: 0 12px 40px rgba(0, 53, 46, 0.06);
    --shadow-focus: 0 0 0 4px rgba(47, 104, 94, 0.12);
}

/* ── Material Symbols ── */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ── Glass Panel Utility ── */
.glass-panel {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

html,
body {
    margin: 0;
    min-height: 100%;
    color: var(--on-surface);
    background: var(--background);
    font-family: var(--font-body);
    font-size: 15px;
}

body {
    min-width: 320px;
}

h1, h2, h3, h4 {
    font-family: var(--font-headline);
}

a,
.btn-link {
    color: var(--secondary);
}

button,
input,
select,
textarea {
    font: inherit;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid rgba(23, 114, 69, 0.6);
}

.invalid {
    outline: 1px solid rgba(186, 26, 26, 0.72);
}

.validation-message {
    color: var(--error);
}

/* ═══════════════════════════════════════════════════════════════
   SURFACE CARDS — No-Line Rule: Tonal Layering Only
   ═══════════════════════════════════════════════════════════════ */

.surface-card {
    min-width: 0;
    padding: 1.1rem;
    border: none;
    border-radius: var(--radius-xl);
    background: var(--surface-container-lowest);
    box-shadow: var(--shadow-lithograph);
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 0.75rem;
}

.section-head.compact h2,
.section-head h2,
.section-head h3 {
    margin: 0;
}

.section-head h2 {
    font-size: 1.12rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--primary);
}

.eyebrow,
.metric-label {
    display: block;
    font-size: 0.65rem;
    line-height: 1.1;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--on-surface-variant);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
    gap: 0.5rem;
}

.metric-grid.single {
    grid-template-columns: 1fr;
}

.metric-grid.compact-grid {
    grid-template-columns: repeat(auto-fit, minmax(108px, 1fr));
}

.metric-card {
    min-width: 0;
    padding: 0.72rem 0.82rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--surface-container-lowest);
    box-shadow: var(--shadow-lithograph);
}

.metric-card strong,
.metric-card span {
    display: block;
}

.metric-card strong {
    margin-top: 0.24rem;
    font-size: clamp(0.95rem, 1vw, 1.08rem);
    font-weight: 800;
    overflow-wrap: anywhere;
}

.metric-note {
    margin-top: 0.18rem;
    color: var(--on-surface-variant);
    font-size: 0.78rem;
}

.metric-card.highlight {
    background: linear-gradient(180deg, rgba(179, 238, 225, 0.18), var(--surface-container-lowest));
    border-top: 2px solid var(--primary-fixed);
}

.chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    padding: 0.24rem 0.62rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.chip.soft {
    color: var(--on-primary-fixed-variant);
    background: var(--primary-fixed);
}

.chip.success {
    color: var(--success);
    background: rgba(15, 159, 110, 0.12);
}

.chip.warning {
    color: var(--warning);
    background: rgba(217, 119, 6, 0.12);
}

.chip.danger {
    color: var(--error);
    background: rgba(186, 26, 26, 0.12);
}

.chip.charge {
    color: #8a6300;
    background: rgba(198, 146, 20, 0.14);
}

.chip.discharge,
.chip.info {
    color: var(--success);
    background: rgba(15, 159, 110, 0.12);
}

.field-grid {
    display: grid;
    gap: 0.85rem;
}

.field-grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-field {
    min-width: 0;
}

.form-field label {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.34rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--on-surface-variant);
}

.form-field label span {
    color: var(--outline);
    font-weight: 600;
}

.form-field input,
.form-field select,
.file-input {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 0.6rem 0.82rem;
    border: none;
    border-radius: 12px;
    background: var(--surface-container-high);
    color: var(--on-surface);
    transition: background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.form-field input:focus,
.form-field select:focus,
.file-input:focus {
    background: var(--surface-container-lowest);
    box-shadow: var(--shadow-focus);
    outline: none;
    transform: translateY(-1px);
}

.inline-field-group {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.45rem;
}

.action-btn {
    min-height: 44px;
    padding: 0.62rem 1rem;
    border: 0;
    border-radius: 999px;
    font-family: var(--font-headline);
    font-weight: 800;
    font-size: 0.82rem;
    letter-spacing: -0.01em;
    transition: transform 160ms ease, opacity 160ms ease, box-shadow 160ms ease;
}

.action-btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

.action-btn:disabled {
    opacity: 0.55;
}

.action-btn.primary {
    color: var(--on-primary);
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    box-shadow: 0 14px 26px rgba(0, 53, 46, 0.22);
}

.action-btn.secondary {
    color: var(--primary);
    background: var(--surface-container-lowest);
    border: none;
    box-shadow: var(--shadow-lithograph);
}

.banner {
    padding: 0.52rem 0.68rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.78rem;
}

.banner.success {
    color: var(--success);
    background: rgba(15, 159, 110, 0.1);
    border: none;
}

.banner.danger {
    color: var(--error);
    background: rgba(186, 26, 26, 0.1);
    border: none;
}

.banner.info-loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary);
    background: rgba(0, 96, 168, 0.08);
    border: none;
}

.empty-state {
    display: grid;
    gap: 0.26rem;
    padding: 1rem;
    border: none;
    border-radius: 16px;
    color: var(--on-surface-variant);
    background: var(--surface-container-low);
}

.empty-state.compact {
    padding: 0.7rem;
}

.empty-state strong {
    color: var(--on-surface);
}

/* ═══════════════════════════════════════════════════════════════
   DATA TABLES
   ═══════════════════════════════════════════════════════════════ */

.data-table-shell,
.matrix-table-shell {
    overflow: auto;
    border: none;
    border-radius: 18px;
    background: var(--surface-container-lowest);
    box-shadow: var(--shadow-lithograph);
}

.data-table-shell.compact-height {
    max-height: 280px;
}

.data-table {
    width: max-content;
    min-width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.52rem 0.72rem;
    border-bottom: 1px solid rgba(191, 201, 197, 0.1);
    text-align: left;
    white-space: nowrap;
}

.data-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--surface-container-low);
    color: var(--on-surface-variant);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.data-table td {
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.data-table tbody tr:hover {
    background: rgba(0, 53, 46, 0.035);
}

.text-charge {
    color: #8a6300;
    font-weight: 700;
}

.text-discharge {
    color: var(--success);
    font-weight: 700;
}

.rule-list {
    margin: 0;
    padding-left: 1rem;
    color: var(--on-surface);
}

.rule-list li + li {
    margin-top: 0.4rem;
}

.blazor-error-boundary {
    background: var(--error);
    padding: 1rem 1rem 1rem 3.7rem;
    color: #fff;
}

.blazor-error-boundary::after {
    content: "Beklenmeyen bir hata oluştu.";
}

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

.spinner {
    display: inline-block;
    width: 1.1em;
    height: 1.1em;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
    opacity: 0.7;
}

.spinner-sm {
    width: 0.85em;
    height: 0.85em;
    border-width: 1.5px;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.45; }
}

.busy-pulse {
    animation: pulse 1.4s ease-in-out infinite;
}

/* ═══════════════════════════════════════════════════════════════
   MATRIX TABLE
   ═══════════════════════════════════════════════════════════════ */

.matrix-table {
    border-collapse: collapse;
    width: max-content;
    min-width: 100%;
}

.matrix-table th,
.matrix-table td {
    padding: 0.5rem 0.64rem;
    border: 1px solid rgba(191, 201, 197, 0.1);
    text-align: center;
    white-space: nowrap;
    font-size: 0.74rem;
    font-family: var(--font-mono);
}

.matrix-table thead th,
.matrix-table .matrix-row-label {
    background: var(--surface-container-low);
    color: var(--on-surface-variant);
    font-size: 0.66rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-family: var(--font-body);
}

.matrix-table .matrix-row-label {
    text-align: left;
}

.matrix-cell {
    transition: opacity 120ms ease;
    font-weight: 600;
}

.matrix-cell.best-cell {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
}

.table-footer-note {
    padding: 0.6rem 0.75rem;
    color: var(--on-surface-variant);
    font-size: 0.74rem;
    border-top: 1px solid rgba(191, 201, 197, 0.1);
    text-align: center;
}

/* ═══════════════════════════════════════════════════════════════
   CHART CARDS & DASHBOARDS
   ═══════════════════════════════════════════════════════════════ */

.chart-card {
    display: grid;
    gap: 0.55rem;
    padding: 0.9rem 0.95rem;
    border: none;
    border-radius: var(--radius-lg);
    background: var(--surface-container-lowest);
    min-width: 0;
    box-shadow: var(--shadow-lithograph);
}

.chart-card-head {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    align-items: start;
}

.chart-card-head h3 {
    margin: 0.14rem 0 0;
    font-size: 0.96rem;
    font-weight: 800;
    color: var(--primary);
}

.chart-card-copy {
    margin: 0.18rem 0 0;
    color: var(--on-surface-variant);
    font-size: 0.78rem;
}

.chart-meta {
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
}

.mini-legend {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    color: var(--on-surface-variant);
    font-size: 0.74rem;
}

.mini-legend span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.legend-dot {
    width: 9px;
    height: 9px;
    border-radius: 3px;
    flex: 0 0 9px;
}

.chart-svg {
    width: 100%;
    height: auto;
    display: block;
    overflow: hidden;
}

/* Global MudBlazor chart containment */
.mud-chart,
.mud-chart-line,
.mud-chart-bar {
    overflow: hidden;
    max-height: 340px;
}

.metric-ribbon {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(116px, 1fr));
    gap: 0.55rem;
}

.ribbon-item {
    display: grid;
    gap: 0.16rem;
    padding: 0.68rem 0.76rem;
    border: none;
    border-radius: 16px;
    background: var(--surface-container-lowest);
    box-shadow: var(--shadow-lithograph);
}

.ribbon-item strong {
    font-family: var(--font-mono);
    font-size: 0.98rem;
}

.ribbon-item span {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
    color: var(--on-surface-variant);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
    min-width: 0;
}

.dashboard-grid .span-2 {
    grid-column: span 2;
}

.insight-pills {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.insight-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    min-height: 28px;
    padding: 0.28rem 0.66rem;
    border-radius: 999px;
    background: var(--tertiary-fixed);
    color: var(--on-tertiary-fixed);
    font-size: 0.72rem;
    border: none;
}

.kpi-col {
    font-weight: 700;
    color: var(--primary);
}

@media (max-width: 960px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-grid .span-2 {
        grid-column: auto;
    }
}

@media (max-width: 900px) {
    .field-grid.two,
    .field-grid.three,
    .inline-field-group {
        grid-template-columns: 1fr;
    }
}