/* ── Shared Theme — Iluminação Pública ──────────────────────────────── */

/* ── CSS Variables ─────────────────────────────────── */
:root {
    --bg:           #f0f2f5;
    --surface:      rgba(255, 255, 255, 0.75);
    --surface-solid: #ffffff;
    --text:         #1a1a2e;
    --text-muted:   #555e6e;
    --accent:       #4f6ef7;
    --btn-hover:    rgba(79, 110, 247, 0.12);
    --btn-active:   rgba(79, 110, 247, 0.22);
    --shadow:       0 8px 32px rgba(0, 0, 0, 0.12);
    --border:       rgba(0, 0, 0, 0.08);
    --dropdown-bg:  #ffffff;
    --nav-border:   rgba(255, 255, 255, 0.6);
    --radius-card:  20px;
    --icon-filter:  invert(35%) sepia(20%) saturate(400%) hue-rotate(190deg);
}

html.dark {
    --bg:           #0f1117;
    --surface:      rgba(26, 28, 38, 0.82);
    --surface-solid: #1a1c26;
    --text:         #e8eaf6;
    --text-muted:   #9ba3b8;
    --accent:       #7c9aff;
    --btn-hover:    rgba(124, 154, 255, 0.15);
    --btn-active:   rgba(124, 154, 255, 0.28);
    --shadow:       0 8px 32px rgba(0, 0, 0, 0.45);
    --border:       rgba(255, 255, 255, 0.08);
    --dropdown-bg:  #1e2030;
    --nav-border:   rgba(255, 255, 255, 0.1);
    --icon-filter:  invert(75%) sepia(10%) saturate(500%) hue-rotate(190deg);
}

/* ── Reset & Base ──────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

@font-face {
    font-family: 'Futura';
    src: url('./fonts/futura/FuturaCyrillicBook.ttf');
}

body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    transition: background 0.3s, color 0.3s;
}

/* ── Panel card ────────────────────────────────────── */
.panel-card {
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

/* ── Typography helpers ────────────────────────────── */
.panel-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.01em;
    margin-bottom: 0.4rem;
}

.panel-subtitle {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-family: 'Futura', sans-serif;
    margin-bottom: 1rem;
}

/* ── Divider ───────────────────────────────────────── */
.panel-divider {
    height: 1px;
    background: var(--border);
    margin: 1rem 0;
    border: none;
}