/* =========================================================
   DavilaEnterprise — global.css
   CSS custom properties, resets, typography, utility classes.
   Loaded on every page across all sub-applications.
   No inline styles. No !important abuse.
   ========================================================= */

/* ── Custom Properties ──────────────────────────────────── */
:root {
    /* Brand palette */
    --color-primary:         #0D1B2A;
    --color-secondary:       #1B3A5C;
    --color-accent:          #2E6DA4;
    --color-accent-hover:    #245a8e;
    --color-accent-light:    #D6E8F7;

    /* Surfaces */
    --color-bg:              #F4F6F9;
    --color-surface:         #FFFFFF;
    --color-surface-raised:  #FFFFFF;
    --color-border:          #D0D7E2;
    --color-border-strong:   #A8B4C4;

    /* Text */
    --color-text:            #1A1A2E;
    --color-text-muted:      #6B7280;
    --color-text-light:      #9CA3AF;
    --color-text-inverse:    #FFFFFF;

    /* Semantic */
    --color-success:         #16A34A;
    --color-success-bg:      #DCFCE7;
    --color-warning:         #D97706;
    --color-warning-bg:      #FEF3C7;
    --color-danger:          #DC2626;
    --color-danger-bg:       #FEE2E2;
    --color-info:            #2563EB;
    --color-info-bg:         #DBEAFE;

    /* Layout */
    --sidebar-width:         240px;
    --topnav-height:         60px;

    /* Typography */
    --font-sans:             'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:             'JetBrains Mono', 'Fira Code', monospace;
    --font-size-base:        16px;
    --line-height-base:      1.6;

    /* Spacing scale */
    --space-1:   4px;
    --space-2:   8px;
    --space-3:   12px;
    --space-4:   16px;
    --space-5:   24px;
    --space-6:   32px;
    --space-7:   48px;
    --space-8:   64px;

    /* Radius */
    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  12px;
    --radius-xl:  16px;
    --radius-pill: 9999px;

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md:  0 4px 12px rgba(0, 0, 0, 0.10);
    --shadow-lg:  0 8px 24px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast:   150ms ease;
    --transition-normal: 250ms ease;
}

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

html {
    font-size: var(--font-size-base);
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: #111827;
    -webkit-font-smoothing: antialiased;
}

img,
svg {
    display: block;
    max-width: 100%;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-primary);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

p {
    margin-bottom: var(--space-4);
}

code,
pre {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

/* ── Forms ──────────────────────────────────────────────── */
.form-select {
    display: block;
    width: 100%;
    height: 40px;
    padding: 0 36px 0 12px;
    font-size: .9375rem;
    font-family: var(--font-sans);
    color: #F1F5F9;
    background-color: rgba(255,255,255,.06);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23888' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 8px;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s;
}

.form-select:focus {
    outline: none;
    border-color: #1D9E75;
    box-shadow: 0 0 0 3px rgba(29,158,117,.15);
}

.form-select option {
    background-color: #1a2535;
    color: #F1F5F9;
}

.form-select optgroup {
    background-color: #0D1B2A;
    color: rgba(255,255,255,.50);
    font-weight: 700;
}

.form-input {
    display: block;
    width: 100%;
    height: 40px;
    padding: 0 12px;
    font-size: .9375rem;
    font-family: var(--font-sans);
    color: #F1F5F9;
    background-color: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 8px;
    transition: border-color .15s, box-shadow .15s;
}

.form-input:focus {
    outline: none;
    border-color: #1D9E75;
    box-shadow: 0 0 0 3px rgba(29,158,117,.15);
}

.form-input::placeholder { color: rgba(255,255,255,.25); }

.form-textarea {
    display: block;
    width: 100%;
    padding: 10px 12px;
    font-size: .9375rem;
    font-family: var(--font-sans);
    color: #F1F5F9;
    background-color: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 8px;
    resize: vertical;
    transition: border-color .15s, box-shadow .15s;
}

.form-textarea:focus {
    outline: none;
    border-color: #1D9E75;
    box-shadow: 0 0 0 3px rgba(29,158,117,.15);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group--inline {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(46, 109, 164, 0.15);
}

.form-input::placeholder {
    color: var(--color-text-light);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    cursor: pointer;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    font-size: 0.9375rem;
    font-weight: 500;
    font-family: var(--font-sans);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-text-inverse);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-text-inverse);
    text-decoration: none;
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn--secondary:hover {
    background-color: var(--color-accent-light);
}

.btn--danger {
    background-color: var(--color-danger);
    color: var(--color-text-inverse);
    border-color: var(--color-danger);
}

.btn--danger:hover {
    background-color: #b91c1c;
    border-color: #b91c1c;
    color: var(--color-text-inverse);
    text-decoration: none;
}

.btn--full {
    width: 100%;
}

/* ── Flash Messages ─────────────────────────────────────── */
.flash {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    margin-bottom: var(--space-5);
    border: 1px solid transparent;
}

.flash--success {
    background-color: var(--color-success-bg);
    color: #166534;
    border-color: #86efac;
}

.flash--error {
    background-color: var(--color-danger-bg);
    color: #991b1b;
    border-color: #fca5a5;
}

.flash--warning {
    background-color: var(--color-warning-bg);
    color: #92400e;
    border-color: #fcd34d;
}

.flash--info {
    background-color: var(--color-info-bg);
    color: #1e40af;
    border-color: #93c5fd;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card__header {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.card__body {
    padding: var(--space-5);
}

.card__footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ── Tables ──────────────────────────────────────────────── */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.table th,
.table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    background-color: var(--color-bg);
    position: sticky;
    top: 0;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tbody tr:hover {
    background-color: var(--color-accent-light);
}

/* ── Badges ──────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-2);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-pill);
    letter-spacing: 0.02em;
}

.badge--success  { background-color: var(--color-success-bg); color: #166534; }
.badge--danger   { background-color: var(--color-danger-bg);  color: #991b1b; }
.badge--warning  { background-color: var(--color-warning-bg); color: #92400e; }
.badge--info     { background-color: var(--color-info-bg);    color: #1e40af; }
.badge--neutral  { background-color: var(--color-bg);         color: var(--color-text-muted); border: 1px solid var(--color-border); }

/* ── Page Header ─────────────────────────────────────────── */
.page-header {
    margin-bottom: var(--space-6);
}

.page-title {
    font-size: 1.625rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.page-subtitle {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ── Error Pages ─────────────────────────────────────────── */
.layout-error {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-6);
}

.error-page {
    text-align: center;
    max-width: 420px;
}

.error-page__code {
    display: block;
    font-size: 6rem;
    font-weight: 700;
    color: var(--color-border-strong);
    line-height: 1;
    margin-bottom: var(--space-4);
}

.error-page__title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.error-page__message {
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
}

/* ── Utility ─────────────────────────────────────────────── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center  { text-align: center; }
.text-right   { text-align: right; }
.text-muted   { color: var(--color-text-muted); }
.text-danger  { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.mt-auto      { margin-top: auto; }
.placeholder-text { color: var(--color-text-muted); font-style: italic; }