/* ═══════════════════════════════════════════════════════
   FuelMeter Design Tokens
   Logo: electric-blue lightning ⚡ + flame-orange fire 🔥
         inside a dark-navy gauge ⭕
   ═══════════════════════════════════════════════════════ */
:root {
    /* ── Blues (lightning bolt / gauge arc) ── */
    --fm-blue:          #1976D2;   /* primary blue   — buttons, links            */
    --fm-blue-bright:   #2979FF;   /* electric blue  — highlights, active        */
    --fm-blue-dark:     #0D47A1;   /* deep navy blue — hover, sidebar top        */
    --fm-blue-900:      #0A2F6E;   /* darkest navy   — sidebar gradient end      */

    /* ── Oranges (flame) ── */
    --fm-orange:        #FF6D00;   /* flame orange   — accent, badges            */
    --fm-orange-mid:    #F57C00;   /* mid orange     — sidebar gradient          */
    --fm-orange-dark:   #E65100;   /* deep orange    — hover state               */

    /* ── Surfaces ── */
    --fm-bg:            #F0F4FF;   /* page background                            */
    --fm-card:          #FFFFFF;   /* card surface                               */
    --fm-border:        #BBDEFB;   /* input / card border (blue-100)             */
    --fm-input-bg:      #F8FAFF;   /* input field background                     */

    /* ── Text ── */
    --fm-text:          #1A237E;   /* primary text   — navy                      */
    --fm-muted:         #546E7A;   /* muted text     — blue-grey                 */
    --fm-text-on-dark:  #FFFFFF;

    /* ── Feedback ── */
    --fm-success:       #2E7D32;
    --fm-success-bg:    #E8F5E9;
    --fm-error:         #C62828;
    --fm-error-bg:      #FFEBEE;
    --fm-warning:       #E65100;

    /* ── Gradients ── */
    --fm-grad-primary:  linear-gradient(135deg, var(--fm-blue-dark) 0%, var(--fm-blue-bright) 100%);
    --fm-grad-orange:   linear-gradient(135deg, var(--fm-orange-dark) 0%, var(--fm-orange) 100%);
    --fm-grad-logo:     linear-gradient(90deg, var(--fm-blue-bright) 0%, var(--fm-orange) 100%);
    --fm-grad-sidebar:  linear-gradient(180deg, var(--fm-blue-900) 0%, var(--fm-blue-dark) 45%, var(--fm-orange-dark) 100%);

    /* ── Shadows ── */
    --fm-shadow-blue:   0 4px 18px rgba(25, 118, 210, 0.30);
    --fm-shadow-card:   0 8px 32px rgba(13, 71, 161, 0.13);
    --fm-shadow-orange: 0 4px 18px rgba(255, 109, 0, 0.30);
}

/* ── Global ─────────────────────────────────────────── */
html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--fm-bg);
    color: var(--fm-text);
    margin: 0;
    padding: 0;
}

/* Prevent transparent PNG corners rendering black in Android WebView */
img {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

a, .btn-link {
    color: var(--fm-blue-bright);
}

.btn-primary {
    color: var(--fm-text-on-dark);
    background: var(--fm-grad-primary);
    border: none;
}

.btn:focus, .btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--fm-blue-bright);
}

.content {
    padding-top: 1.1rem;
}

h1:focus { outline: none; }

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--fm-success);
}

.invalid {
    outline: 1px solid var(--fm-error);
}

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


#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

.status-bar-safe-area {
    display: none;
}

@supports (-webkit-touch-callout: none) {
    .status-bar-safe-area {
        display: none;
    }
}

/* ── Stub pages ─────────────────────────────────────────── */
.stub-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    gap: 12px;
}

.stub-icon { font-size: 3rem; }

.stub-page h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--fm-text);
    margin: 0;
}

.stub-page p {
    font-size: .9rem;
    color: var(--fm-muted);
    max-width: 300px;
    margin: 0;
}

/* ════════════════════════════════════════════════════════
   App Shell — Layout (global so MAUI scoped CSS is bypassed)
   ════════════════════════════════════════════════════════ */

.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--fm-bg);
    position: relative;
    overflow-x: hidden;
}

/* ── Top Bar ─────────────────────────────── */
.topbar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 16px;
    height: 56px;
    background: var(--fm-blue-dark);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,.3);
    flex-shrink: 0;
}

.topbar-title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: .5px;
    color: #fff;
}

/* ── Hamburger ───────────────────────────── */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 22px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.hamburger span {
    display: block;
    height: 3px;
    background: #ffffff;
    border-radius: 2px;
}

/* ── Overlay ─────────────────────────────── */
.drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 199;
}

.drawer-open .drawer-overlay {
    display: block;
}

/* ── Drawer ──────────────────────────────── */
.drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 270px;
    height: 100vh;
    background: #fff;
    z-index: 200;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform .28s cubic-bezier(.4,0,.2,1);
    box-shadow: 4px 0 24px rgba(0,0,0,.2);
    overflow-y: auto;
}

.drawer-open .drawer {
    transform: translateX(0);
}

.drawer-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 16px 16px;
    background: var(--fm-blue-dark);
    color: #fff;
    flex-shrink: 0;
}

.drawer-logo {
    width: 34px;
    height: 34px;
    object-fit: contain;
}

.drawer-brand {
    font-size: 1.1rem;
    font-weight: 700;
    flex: 1;
    color: #fff;
}

.drawer-close {
    background: none;
    border: none;
    color: rgba(255,255,255,.75);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    line-height: 1;
}

.drawer-close:hover { color: #fff; }

.drawer-user {
    padding: 14px 18px 12px;
    border-bottom: 1px solid var(--fm-border);
}

.drawer-user-name {
    display: block;
    font-weight: 600;
    color: var(--fm-text);
    font-size: .95rem;
}

.drawer-user-email {
    display: block;
    font-size: .78rem;
    color: var(--fm-muted);
    margin-top: 2px;
}

.drawer-nav {
    list-style: none;
    margin: 10px 0 0;
    padding: 0 10px;
    flex: 1;
}

.drawer-nav li { margin-bottom: 2px; }

.drawer-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-radius: 10px;
    color: var(--fm-text);
    text-decoration: none;
    font-size: .95rem;
    font-weight: 500;
    transition: background .15s;
}

.drawer-link:hover { background: var(--fm-bg); color: var(--fm-blue); }

.drawer-link-active {
    background: #EEF4FF !important;
    color: var(--fm-blue) !important;
    font-weight: 700;
}

.drawer-icon {
    font-size: 1.1rem;
    width: 26px;
    text-align: center;
}

.drawer-footer {
    padding: 14px 16px;
    border-top: 1px solid var(--fm-border);
}

.drawer-logout {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px 14px;
    background: none;
    border: 1px solid var(--fm-border);
    border-radius: 10px;
    color: var(--fm-error);
    font-size: .92rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s;
}

.drawer-logout:hover { background: var(--fm-error-bg); }

/* ── Main Content ────────────────────────── */
.main-content {
    flex: 1;
    padding: 20px 16px;
    max-width: 960px;
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
}

/* ═══════════════════════════════════════════════════════
   Notification Settings
   ═══════════════════════════════════════════════════════ */
.notif-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--fm-blue);
}

.notif-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--fm-blue);
    cursor: pointer;
}

.toggle-label {
    min-width: 28px;
}

.time-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.time-input {
    width: 64px !important;
    text-align: center;
}

.time-sep {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--fm-text);
}

/* ═══════════════════════════════════════════════════════
   Usage Charts Page
   ═══════════════════════════════════════════════════════ */
.charts-page {
    padding: 20px 16px 40px;
    max-width: 960px;
    margin: 0 auto;
}

.chart-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 24px;
}

.chart-view-tabs {
    display: flex;
    gap: 4px;
    background: #f0f4ff;
    border-radius: 10px;
    padding: 4px;
}

.chart-tab {
    padding: 7px 16px;
    border: none;
    border-radius: 8px;
    background: transparent;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--fm-blue-dark);
    cursor: pointer;
    transition: background 0.18s;
}

.chart-tab-active {
    background: var(--fm-blue);
    color: #fff;
}

.chart-control-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chart-control-group label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--fm-text-muted, #666);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.chart-select {
    min-width: 120px;
    max-width: 160px;
}

.chart-card-full {
    background: var(--fm-card);
    border-radius: 14px;
    box-shadow: 0 2px 10px rgba(25,118,210,0.08);
    padding: 18px 20px 14px;
    margin-bottom: 20px;
}

.chart-card-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 6px;
}

.chart-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--fm-text, #1a1a2e);
}

.chart-card-title.blue  { color: var(--fm-blue); }
.chart-card-title.green { color: #2E7D32; }

.chart-card-total {
    font-size: 0.92rem;
    font-weight: 600;
}

.chart-card-total.blue  { color: var(--fm-blue); }
.chart-card-total.green { color: #2E7D32; }

.chart-svg-wrap {
    width: 100%;
    overflow-x: auto;
}

.chart-svg {
    width: 100%;
    min-width: 320px;
    height: auto;
    display: block;
}

.chart-axis-label {
    font-size: 9px;
    fill: #888;
    font-family: inherit;
}

.chart-bar-label {
    font-size: 8px;
    fill: #fff;
    font-family: inherit;
    font-weight: 600;
}

/* Data table */
.chart-table-wrap {
    overflow-x: auto;
}

.chart-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.chart-table th,
.chart-table td {
    padding: 8px 12px;
    text-align: right;
    border-bottom: 1px solid #f0f0f0;
}

.chart-table th:first-child,
.chart-table td:first-child {
    text-align: left;
    font-weight: 600;
}

.chart-table thead th {
    background: #f8faff;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #555;
}

.chart-table tbody tr:hover { background: #f5f8ff; }

.chart-table .blue  { color: var(--fm-blue); }
.chart-table .green { color: #2E7D32; }