/* ==========================================================================
   ARQUIVEX OS — COMMON
   Variáveis, reset global e utilitários compartilhados entre todas as páginas
   ========================================================================== */

:root {
    --font-primary: 'Inter', sans-serif;
    --font-header: 'Outfit', sans-serif;

    --bg-app: #080c14;
    --bg-sidebar: #0d121f;
    --bg-card: rgba(18, 26, 44, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(59, 130, 246, 0.2);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-inverse: #111827;

    --primary: hsl(221, 83%, 53%);
    --primary-glow: hsla(221, 83%, 53%, 0.35);

    --secondary: hsl(199, 89%, 48%);
    --secondary-glow: hsla(199, 89%, 48%, 0.35);

    --accent: hsl(262, 80%, 50%);
    --accent-glow: hsla(262, 80%, 50%, 0.4);

    --success: hsl(142, 70%, 45%);
    --success-glow: hsla(142, 70%, 45%, 0.3);

    --danger: hsl(350, 75%, 50%);
    --danger-glow: hsla(350, 75%, 50%, 0.3);

    --warning: hsl(38, 92%, 50%);
    --warning-glow: hsla(38, 92%, 50%, 0.35);

    --yellow: hsl(48, 96%, 53%);

    --glass-blur: 16px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-premium: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    --bg-surface: rgba(255, 255, 255, 0.04);
    --bg-surface-hover: rgba(255, 255, 255, 0.08);
    --bg-input: rgba(255, 255, 255, 0.06);
    --scrollbar-thumb: rgba(255, 255, 255, 0.12);
    --scrollbar-thumb-hover: rgba(255, 255, 255, 0.22);
}

.light-mode {
    --bg-app: #f0f2f8;
    --bg-sidebar: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.9);
    --border-color: rgba(0, 0, 0, 0.09);
    --border-glow: rgba(59, 130, 246, 0.15);
    --text-main: #111827;
    --text-muted: #6b7280;
    --text-inverse: #ffffff;
    --shadow-premium: 0 4px 24px 0 rgba(31, 38, 135, 0.07);

    --bg-surface: rgba(0, 0, 0, 0.04);
    --bg-surface-hover: rgba(0, 0, 0, 0.07);
    --bg-input: #ffffff;
    --scrollbar-thumb: rgba(0, 0, 0, 0.15);
    --scrollbar-thumb-hover: rgba(0, 0, 0, 0.30);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-app);
    color: var(--text-main);
    overflow-x: hidden;
    transition: var(--transition-smooth);
}

h1, h2, h3, h4 {
    font-family: var(--font-header);
    font-weight: 600;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }

/* Utilities */
.hidden { display: none !important; }
.text-center { text-align: center; }
.px-3 { padding-left: 1rem; padding-right: 1rem; }
.py-3 { padding-top: 1rem; padding-bottom: 1rem; }

*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

select option {
    background-color: var(--bg-sidebar);
    color: var(--text-main);
}