/* ===========================
   webui\shared\base.css
   =========================== */

/* ===========================
   DESIGN TOKENS WITH SYSTEM THEME SUPPORT
   =========================== */

:root {
    color-scheme: light dark;
}

/* ===========================
   CORE TOKENS
   =========================== */

:root {
    /* =========================
     GLASS TOKENS
     ========================= */

    --glass-bg: rgba(255,255,255,0.65);
    --glass-border: rgba(15,23,42,0.08);
    --glass-shadow: 0 10px 30px rgba(0,0,0,0.08);
    /* =========================
     COMPATIBILITY TOKENS
     (used by new UI modules)
     ========================= */

    --bg-surface: var(--bg-elevated);
    --text-primary: var(--text);
    --border-color: var(--border);
    /* Surfaces */
    --bg: #f5f7fa;
    --bg-elevated: #ffffff;
    --bg-subtle: #f9fafb;
    /* Text */
    --text: #111827;
    --text-muted: #6b7280;
    /* Borders */
    --border: #e5e7eb;
    /* Brand */
    --primary: #4f46e5;
    --primary-soft: rgba(79,70,229,0.12);
    /* Effects */
    --shadow-card: 0 4px 14px rgba(0,0,0,0.06);
    /* Radius */
    --radius: 12px;
    --sidebar-width: 260px;
    /* =========================
       Z-INDEX SCALE (GLOBAL)
    ========================= */

    --z-base: 0;
    --z-shell: 10;
    --z-sidebar: 20;
    --z-topbar: 30;
    --z-shell-overlay: 40;
    --z-fab: 60;
    --z-modal: 100;
    --z-toast: 110;
    --z-tooltip: 120;
    /* =========================
     EXTENDED SURFACES
     ========================= */

    --card: var(--bg-elevated);
    --bg-soft: var(--bg-subtle);
    /* =========================
     STATUS / SEMANTIC COLORS
     ========================= */

    --accent: var(--primary);
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #f59e0b;
    --info: #60a5fa;
    /* =========================
     SHADOW SCALE
     ========================= */

    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: var(--shadow-card);
    /* Inputs */

    --input-bg: var(--bg);
    --input-border: var(--border);
    /* Cards / subtle */

    --card-bg: var(--bg-elevated);
    --card-subtle: var(--bg-subtle);
    /* FAB */

    --fab-bg: linear-gradient(135deg, #38bdf8, #0ea5e9);
    --fab-text: #020617;
    --calendar-icon-filter: invert(0);
}

/* ===========================
   DARK THEME
   =========================== */

[data-theme="dark"] {
    --bg: #020617;
    --bg-elevated: #0f172a;
    --bg-subtle: #020617;
    --text: #e5e7eb;
    --text-muted: #94a3b8;
    --border: #1e293b;
    --primary: #6366f1;
    --primary-soft: rgba(99,102,241,0.18);
    --shadow-card: 0 6px 24px rgba(0,0,0,0.6);
    /* =========================
     GLASS TOKENS
     ========================= */

    --glass-bg: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.08);
    --glass-shadow: 0 12px 40px rgba(0,0,0,0.5);
    /* =========================
     EXTENDED SURFACES
     ========================= */

    --card: var(--bg-elevated);
    --bg-soft: #020617;
    /* =========================
     STATUS / SEMANTIC COLORS
     ========================= */

    --accent: var(--primary);
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #fbbf24;
    /* =========================
     SHADOW SCALE
     ========================= */

    --shadow-sm: 0 2px 12px rgba(0,0,0,0.4);
    --shadow-md: var(--shadow-card);
    --input-bg: var(--bg);
    --card-subtle: rgba(255,255,255,0.04);
    --calendar-icon-filter: invert(0.8);
    /* compatibility tokens */

    --bg-surface: var(--bg-elevated);
    --text-primary: var(--text);
    --border-color: var(--border);
}

/* ===========================
   BASE ELEMENTS
   =========================== */

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ===========================
   TIME CARDS / UI EXTENSIONS
   =========================== */

:root {
    --surface-1: var(--bg-elevated);
    --surface-2: var(--bg-subtle);
    --surface-3: var(--bg);
    --panel-bg: var(--bg-elevated);
    --panel-border: var(--border);
    --chip-bg: var(--bg-subtle);
    --chip-border: var(--border);
    --hover: rgba(0, 0, 0, 0.04);
    --divider: var(--border);
    --accent-soft: var(--primary-soft);
    --focus-ring: 0 0 0 2px rgba(79, 70, 229, 0.25);
    --timecard-entry-accent: var(--info);
    --input-text: var(--text);
    --stats-grad-1: rgba(79, 70, 229, 0.08);
    --stats-grad-2: rgba(79, 70, 229, 0.03);
}

[data-theme="dark"] {
    --hover: rgba(255, 255, 255, 0.05);
    --focus-ring: 0 0 0 2px rgba(99, 102, 241, 0.30);
    --stats-grad-1: rgba(255, 255, 255, 0.05);
    --stats-grad-2: rgba(255, 255, 255, 0.02);
}

.hidden {
    display: none !important;
}

/* ===========================
   DATE INPUT – CALENDAR ICON
   =========================== */

input[type="date"],
input[type="time"] {
    background-color: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 12px;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

    input[type="date"]:focus,
    input[type="time"]:focus {
        border-color: var(--primary);
        box-shadow: var(--focus-ring);
    }

input::-webkit-calendar-picker-indicator {
    cursor: pointer;
    border-radius: 4px;
    filter: var(--calendar-icon-filter);
}

/* ===========================
   THEME TRANSITION
   =========================== */

html {
    transition: background 0.25s ease, color 0.25s ease;
}

.report-loading {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

    .report-loading.hidden {
        display: none;
    }

.report-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #ddd;
    border-top-color: #3b82f6; /* blue */
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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