/*
 * theme-sportback.css — GYM One v1.3.0
 * Paleta: Titanio / Plata Industrial
 * Centraliza el CSS compartido de todas las páginas del socio y públicas.
 * No incluye /admin/. No incluye CSS específico de cada página.
 */

/* ─────────────────────────────────────────────────────────────
   0. FUENTES CUSTOM
   ───────────────────────────────────────────────────────────── */
@font-face {
    font-family: 'Bord';
    src: url('../fonts/Bord.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ─────────────────────────────────────────────────────────────
   1. VARIABLES
   ───────────────────────────────────────────────────────────── */
:root {
    /* Fondos */
    --c-bg:           #050505;
    --c-surface:      #111111;
    --c-card:         #1A1A1A;
    --c-raised:       #222222;
    /* Bordes */
    --c-border:       #2B2B2B;
    /* Textos */
    --c-text:         #F2F2F2;
    --c-muted:        #9A9A9A;
    /* Acento Titanio / Plata Industrial */
    --c-accent:       #C0C0C0;
    --c-accent-bright:#E5E5E5;
    /* Estados */
    --c-success:      #6DFF6D;
    --c-warning:      #FFC857;
    --c-danger:       #FF5A5A;
    /* Utilidades */
    --c-white:        #ffffff;
    /* Tipografía */
    --ff-display: 'Bebas Neue', sans-serif;
    --ff-hero:    'Bord', 'Bebas Neue', sans-serif;
    --ff-body:    'DM Sans', sans-serif;
    /* Layout dashboard */
    --sidebar-w:  220px;
    --nav-h:      60px;
    /* Layout público */
    --pub-nav-h:  72px;
    /* Misc */
    --radius:     6px;
    --transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ─────────────────────────────────────────────────────────────
   2. RESET + BASE
   ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--ff-body);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-accent); border-radius: 2px; }

/* ─────────────────────────────────────────────────────────────
   3. DASHBOARD — LAYOUT
   ───────────────────────────────────────────────────────────── */
.dashboard-wrap { display: flex; min-height: 100svh; }

.sidebar {
    width: var(--sidebar-w); flex-shrink: 0;
    background: var(--c-surface); border-right: 1px solid var(--c-border);
    display: flex; flex-direction: column;
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
    transition: transform var(--transition);
}
.sidebar-brand {
    padding: 1.5rem 1.25rem 1rem;
    border-bottom: 1px solid var(--c-border);
    text-align: center;
}
.sidebar-brand img { height: 48px; margin: 0 auto 0.6rem; }
.sidebar-brand-name {
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--c-muted);
}
.sidebar-nav {
    flex: 1; padding: 1rem 0.75rem;
    display: flex; flex-direction: column; gap: 0.25rem;
}
.sidebar-link {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.7rem 0.9rem; border-radius: var(--radius);
    font-size: 0.82rem; font-weight: 600; letter-spacing: 0.06em;
    color: var(--c-muted); transition: all var(--transition);
}
.sidebar-link:hover { background: var(--c-raised); color: var(--c-text); }
.sidebar-link.active {
    background: color-mix(in srgb, var(--c-accent) 8%, transparent);
    color: var(--c-accent);
    border: 1px solid color-mix(in srgb, var(--c-accent) 15%, transparent);
}
.sidebar-link i { font-size: 1rem; }

/* ─────────────────────────────────────────────────────────────
   4. DASHBOARD — MOBILE NAV + DRAWER
   ───────────────────────────────────────────────────────────── */
.mobile-nav {
    display: none;
    position: fixed; top: 0; left: 0; right: 0; z-index: 200;
    height: var(--nav-h);
    background: rgba(5,5,5,0.95);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--c-border);
    align-items: center;
    padding: 0 1.25rem; gap: 1rem;
}
.mobile-nav img { height: 36px; }
.mobile-nav-title {
    font-size: 0.8rem; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase; flex: 1;
}
.mobile-hamburger {
    background: none; border: none; cursor: pointer;
    display: flex; flex-direction: column; gap: 4px; padding: 0.3rem;
}
.mobile-hamburger span {
    display: block; width: 22px; height: 1.5px;
    background: var(--c-text);
    transition: all var(--transition); transform-origin: center;
}
.mobile-hamburger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.mobile-hamburger.open span:nth-child(2) { opacity: 0; }
.mobile-hamburger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.mobile-drawer {
    display: none;
    position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
    z-index: 199; background: rgba(5,5,5,0.98);
    padding: 1.5rem 1.25rem; flex-direction: column; gap: 0.5rem;
}
.mobile-drawer.open { display: flex; }
.mobile-drawer .sidebar-link { font-size: 1rem; padding: 0.9rem 1rem; }

/* ─────────────────────────────────────────────────────────────
   5. DASHBOARD — MAIN CONTENT + TOPBAR
   ───────────────────────────────────────────────────────────── */
.main-content {
    flex: 1; margin-left: var(--sidebar-w);
    padding: 2rem clamp(1rem, 3vw, 2.5rem);
    min-height: 100svh;
}
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem;
}
.topbar-greeting {
    font-family: var(--ff-display);
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    letter-spacing: 0.04em; line-height: 1;
}
.topbar-greeting span { color: var(--c-accent); }
.btn-logout {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.6rem 1.25rem; background: transparent;
    border: 1px solid var(--c-border); border-radius: var(--radius);
    font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--c-muted); cursor: pointer; transition: all var(--transition);
}
.btn-logout:hover {
    border-color: var(--c-danger); color: var(--c-danger);
    background: color-mix(in srgb, var(--c-danger) 5%, transparent);
}

/* ─────────────────────────────────────────────────────────────
   6. DASHBOARD — STAT CARDS (base compartida)
   ───────────────────────────────────────────────────────────── */
.stat-card {
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: calc(var(--radius)*1.5);
    transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover {
    border-color: color-mix(in srgb, var(--c-accent) 25%, transparent);
    transform: translateY(-2px);
}
.stat-card-label {
    font-size: 0.68rem; font-weight: 700; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--c-muted);
}
.stat-card-value {
    font-family: var(--ff-display); letter-spacing: 0.04em;
    line-height: 1; color: var(--c-accent);
}
.stat-card-unit { font-size: 0.75rem; color: var(--c-muted); letter-spacing: 0.06em; }

/* ─────────────────────────────────────────────────────────────
   7. MODAL SYSTEM
   ───────────────────────────────────────────────────────────── */
.modal-overlay {
    display: none; position: fixed; inset: 0; z-index: 1000;
    background: rgba(0,0,0,0.75); backdrop-filter: blur(6px);
    align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal-box {
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: calc(var(--radius)*2); padding: 2.5rem 2rem;
    max-width: 420px; width: 90%; text-align: center;
    animation: fadeUp 0.3s ease;
}
.modal-icon {
    width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 1.25rem;
    background: color-mix(in srgb, var(--c-danger) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--c-danger) 25%, transparent);
    display: flex; align-items: center; justify-content: center;
}
.modal-icon i { font-size: 2rem; color: var(--c-danger); }
.modal-title {
    font-family: var(--ff-display); font-size: 1.5rem;
    letter-spacing: 0.06em; margin-bottom: 1.75rem;
}
.modal-body-text {
    font-size: 0.85rem; color: var(--c-muted);
    margin-bottom: 1.25rem; line-height: 1.7;
}
.modal-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

/* Cancel — dos alias usados en distintos archivos */
.btn-cancel,
.btn-modal-cancel {
    padding: 0.7rem 1.5rem; background: transparent;
    border: 1px solid var(--c-border); border-radius: var(--radius);
    font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--c-muted); cursor: pointer; transition: all var(--transition);
}
.btn-cancel:hover,
.btn-modal-cancel:hover { border-color: var(--c-text); color: var(--c-text); }

/* Confirm — dos alias usados en distintos archivos */
.btn-confirm,
.btn-modal-confirm {
    padding: 0.7rem 1.5rem; background: var(--c-danger);
    border: 2px solid var(--c-danger); border-radius: var(--radius);
    font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
    color: #fff; cursor: pointer; transition: all var(--transition);
    text-decoration: none; display: inline-flex; align-items: center; gap: 0.4rem;
}
.btn-confirm:hover,
.btn-modal-confirm:hover { background: transparent; color: var(--c-danger); }

/* ─────────────────────────────────────────────────────────────
   8. PÁGINAS PÚBLICAS — NAVBAR
   ───────────────────────────────────────────────────────────── */
.site-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    height: var(--pub-nav-h);
    display: flex; align-items: center;
    padding: 0 clamp(1.25rem, 4vw, 3rem);
    background: rgba(5,5,5,0.82);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--c-border);
    transition: background var(--transition), box-shadow var(--transition);
}
.site-nav.scrolled {
    background: rgba(5,5,5,0.97);
    box-shadow: 0 2px 40px rgba(0,0,0,0.6);
}
.nav-logo img { height: 42px; width: auto; }
.nav-links {
    display: flex; align-items: center; gap: 2rem;
    margin: 0; padding: 0; list-style: none;
}
.nav-links a {
    font-size: 0.8rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--c-muted); position: relative; padding-bottom: 2px;
    transition: color var(--transition);
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -2px; left: 0;
    width: 0; height: 1px; background: var(--c-accent);
    transition: width var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--c-accent); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-login { margin-left: auto; }
.btn-login {
    display: flex; align-items: center; gap: 0.45rem;
    padding: 0.55rem 1.25rem; background: transparent;
    border: 1px solid var(--c-border); border-radius: var(--radius);
    font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--c-text); transition: all var(--transition);
}
.btn-login:hover {
    border-color: var(--c-accent); color: var(--c-accent);
    background: color-mix(in srgb, var(--c-accent) 5%, transparent);
}

/* Hamburger público */
.nav-hamburger {
    display: none; flex-direction: column; justify-content: center;
    gap: 5px; cursor: pointer; padding: 0.4rem; margin-left: auto;
    background: none; border: none;
}
.nav-hamburger span {
    display: block; width: 24px; height: 1.5px;
    background: var(--c-text); transition: all var(--transition); transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-drawer {
    display: none;
    position: fixed; top: var(--pub-nav-h); left: 0; right: 0; z-index: 999;
    background: rgba(5,5,5,0.97); border-bottom: 1px solid var(--c-border);
    padding: 1.5rem clamp(1.25rem, 4vw, 3rem) 2rem;
    backdrop-filter: blur(18px);
    transform: translateY(-10px); opacity: 0;
    transition: all var(--transition);
}
.nav-drawer.open { display: block; transform: translateY(0); opacity: 1; }
.nav-drawer ul {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 1.2rem;
}
.nav-drawer ul a {
    font-size: 1.6rem; font-family: var(--ff-display);
    letter-spacing: 0.06em; color: var(--c-text); transition: color var(--transition);
}
.nav-drawer ul a:hover { color: var(--c-accent); }

/* ─────────────────────────────────────────────────────────────
   9. PÁGINAS PÚBLICAS — PAGE HERO COMPARTIDO
   ───────────────────────────────────────────────────────────── */
.page-hero {
    padding-top: var(--pub-nav-h);
    background: var(--c-surface); border-bottom: 1px solid var(--c-border);
    position: relative; overflow: hidden;
}
.page-hero-inner {
    max-width: 1100px; margin: 0 auto;
    padding: 4rem clamp(1.25rem, 5vw, 3rem) 3.5rem;
    position: relative; z-index: 1;
}
.page-hero-bg {
    position: absolute; inset: 0;
    background-image: url('../img/brand/background.png');
    background-size: cover; background-position: center; opacity: 0.07;
}
.page-eyebrow {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--c-accent); margin-bottom: 1rem;
    animation: fadeUp 0.6s 0.1s both;
}
.page-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--c-accent); }
.page-title {
    font-family: var(--ff-display);
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 0.92; letter-spacing: 0.02em; color: var(--c-white);
    animation: fadeUp 0.6s 0.25s both;
}

/* ─────────────────────────────────────────────────────────────
   10. PÁGINAS PÚBLICAS — FOOTER
   ───────────────────────────────────────────────────────────── */
.site-footer {
    background: var(--c-surface); border-top: 1px solid var(--c-border);
    padding: clamp(3rem, 6vw, 5rem) clamp(1.25rem, 5vw, 5rem) 0;
}
.footer-grid {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 1.4fr 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem); padding-bottom: 3rem;
}
.footer-brand img { height: 48px; margin-bottom: 1.25rem; }
.footer-address { font-size: 0.9rem; color: var(--c-muted); line-height: 1.9; }
.footer-address strong {
    display: block; font-size: 0.7rem; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--c-text); margin-bottom: 0.5rem;
}
.footer-heading {
    font-family: var(--ff-display); font-size: 1.1rem;
    letter-spacing: 0.08em; margin-bottom: 1.25rem;
}
.footer-nav { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-nav a {
    font-size: 0.85rem; color: var(--c-muted);
    transition: color var(--transition);
    display: flex; align-items: center; gap: 0.4rem;
}
.footer-nav a::before {
    content: '→'; color: var(--c-accent); font-size: 0.75rem;
    opacity: 0; transform: translateX(-4px); transition: all var(--transition);
}
.footer-nav a:hover { color: var(--c-text); }
.footer-nav a:hover::before { opacity: 1; transform: translateX(0); }
.footer-bottom {
    max-width: 1100px; margin: 0 auto;
    border-top: 1px solid var(--c-border); padding: 1.5rem 0;
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
    gap: 1rem; font-size: 0.75rem; color: var(--c-muted);
}
.footer-bottom a { color: var(--c-accent); font-weight: 600; transition: opacity var(--transition); }
.footer-bottom a:hover { opacity: 0.75; }

/* ─────────────────────────────────────────────────────────────
   11. HOURS / BADGES — usados en footer público y dashboard
   ───────────────────────────────────────────────────────────── */
.hours-list { display: flex; flex-direction: column; }
.hours-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.5rem 0; border-bottom: 1px solid var(--c-border);
    font-size: 0.83rem;
}
.hours-row:last-child { border-bottom: none; }
.hours-day { font-weight: 600; color: var(--c-text); }
.hours-badge {
    display: inline-block; padding: 0.18rem 0.52rem;
    border-radius: 2px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em;
}
.badge-open {
    background: color-mix(in srgb, var(--c-success) 12%, transparent);
    color: var(--c-success);
}
.badge-closed {
    background: color-mix(in srgb, var(--c-danger) 12%, transparent);
    color: var(--c-danger);
}
.badge-exception {
    background: color-mix(in srgb, var(--c-warning) 12%, transparent);
    color: var(--c-warning);
}
/* Usado en footer público */
.exceptions-divider {
    width: 100%; height: 1px; background: var(--c-border);
    margin: 0.75rem 0; position: relative;
}
.exceptions-divider::before {
    content: 'EXCEPTIONS';
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    background: var(--c-surface); padding: 0 0.5rem;
    font-size: 0.6rem; letter-spacing: 0.16em; color: var(--c-muted);
}
/* Usado en dashboard/index.php */
.exceptions-label {
    font-size: 0.64rem; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--c-muted); padding: 0.5rem 0 0.25rem;
}
/* Status badges para invoices */
.badge-paid,
.bg-label-success {
    display: inline-block; padding: 0.2rem 0.65rem; border-radius: 2px;
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
    background: color-mix(in srgb, var(--c-success) 12%, transparent);
    color: var(--c-success);
}
.badge-unpaid,
.bg-label-danger {
    display: inline-block; padding: 0.2rem 0.65rem; border-radius: 2px;
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
    background: color-mix(in srgb, var(--c-danger) 12%, transparent);
    color: var(--c-danger);
}

/* ─────────────────────────────────────────────────────────────
   12. ALERTAS
   ───────────────────────────────────────────────────────────── */
.alert-custom {
    display: flex; align-items: center; gap: 0.6rem;
    border-radius: var(--radius); padding: 0.85rem 1rem;
    margin-bottom: 1.5rem; font-size: 0.85rem;
}
.alert-success-custom {
    background: color-mix(in srgb, var(--c-success) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--c-success) 25%, transparent);
    color: var(--c-success);
}
.alert-danger-custom {
    background: color-mix(in srgb, var(--c-danger) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--c-danger) 25%, transparent);
    color: var(--c-danger);
}
.alert-warning-custom {
    background: color-mix(in srgb, var(--c-warning) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--c-warning) 25%, transparent);
    color: var(--c-warning);
}

/* ─────────────────────────────────────────────────────────────
   13. FORMULARIOS (profile, contact, register, login)
   ───────────────────────────────────────────────────────────── */
.form-field { margin-bottom: 1.2rem; }
.form-label {
    display: block; font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--c-muted); margin-bottom: 0.45rem;
    transition: color var(--transition);
}
.form-field:focus-within .form-label { color: var(--c-accent); }
.form-input,
.form-textarea {
    width: 100%; background: var(--c-raised); border: 1px solid var(--c-border);
    border-radius: var(--radius); color: var(--c-text);
    font-family: var(--ff-body); font-size: 0.92rem;
    padding: 0.75rem 0.9rem; outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    -webkit-appearance: none;
}
.form-textarea { resize: vertical; min-height: 130px; }
.form-input::placeholder,
.form-textarea::placeholder { color: var(--c-muted); }
.form-input:focus,
.form-textarea:focus {
    border-color: var(--c-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-accent) 8%, transparent);
}
.form-help { font-size: 0.72rem; color: var(--c-muted); margin-top: 0.3rem; letter-spacing: 0.04em; }

/* ─────────────────────────────────────────────────────────────
   14. BOTONES COMPARTIDOS
   ───────────────────────────────────────────────────────────── */

/* Submit — login, contact, register */
.btn-submit {
    width: 100%; display: flex; align-items: center;
    justify-content: center; gap: 0.5rem;
    padding: 0.9rem 1.5rem;
    background: var(--c-accent); color: #000;
    font-family: var(--ff-body); font-size: 0.82rem; font-weight: 700;
    letter-spacing: 0.14em; text-transform: uppercase;
    border: 2px solid var(--c-accent); border-radius: var(--radius);
    cursor: pointer; transition: all var(--transition); margin-top: 0.5rem;
}
.btn-submit:hover {
    background: transparent; color: var(--c-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px color-mix(in srgb, var(--c-accent) 18%, transparent);
}
.btn-submit:active { transform: translateY(0); }

/* Generate QR — dashboard/qr_access.php */
.btn-generate {
    display: inline-flex; align-items: center; gap: 0.6rem;
    padding: 0.9rem 2rem;
    background: var(--c-accent); color: #050505;
    border: none; border-radius: var(--radius);
    font-family: var(--ff-body); font-size: 0.85rem; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    cursor: pointer; transition: opacity var(--transition);
}
.btn-generate:hover { opacity: 0.85; }
.btn-generate-secondary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.6rem 1.25rem; background: transparent;
    border: 1px solid var(--c-border); border-radius: var(--radius);
    font-family: var(--ff-body); font-size: 0.78rem; font-weight: 600;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--c-muted); cursor: pointer; transition: all var(--transition);
}
.btn-generate-secondary:hover { border-color: var(--c-accent); color: var(--c-accent); }

/* Profile form buttons */
.btn-primary-form {
    display: inline-flex; align-items: center; gap: 0.45rem;
    padding: 0.7rem 1.5rem; background: var(--c-accent); color: #050505;
    font-family: var(--ff-body); font-size: 0.8rem; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
    border: 2px solid var(--c-accent); border-radius: var(--radius);
    cursor: pointer; transition: all var(--transition);
    width: 100%; justify-content: center;
}
.btn-primary-form:hover { background: transparent; color: var(--c-accent); }
.btn-danger-form {
    display: inline-flex; align-items: center; gap: 0.45rem;
    padding: 0.7rem 1.5rem; background: transparent; color: var(--c-danger);
    font-family: var(--ff-body); font-size: 0.8rem; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
    border: 2px solid var(--c-danger); border-radius: var(--radius);
    cursor: pointer; transition: all var(--transition);
    width: 100%; justify-content: center;
}
.btn-danger-form:hover { background: var(--c-danger); color: #fff; }

/* Table action button — invoices */
.btn-action {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: var(--radius);
    background: var(--c-raised); border: 1px solid var(--c-border);
    color: var(--c-muted); font-size: 0.9rem;
    transition: all var(--transition); margin-right: 0.4rem;
}
.btn-action:hover {
    border-color: var(--c-accent); color: var(--c-accent);
    background: color-mix(in srgb, var(--c-accent) 5%, transparent);
}

/* Home/CTA button — confirm, login */
.btn-home {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.85rem 2rem;
    background: var(--c-accent); color: #050505;
    font-family: var(--ff-body); font-size: 0.8rem; font-weight: 700;
    letter-spacing: 0.14em; text-transform: uppercase;
    border-radius: var(--radius); border: 2px solid var(--c-accent);
    transition: all var(--transition);
}
.btn-home:hover {
    background: transparent; color: var(--c-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px color-mix(in srgb, var(--c-accent) 18%, transparent);
}

/* CTA buttons — homepage */
.btn-primary-cta {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.9rem 2rem; background: var(--c-accent); color: #050505;
    border-radius: var(--radius); font-weight: 700; font-size: 0.82rem;
    letter-spacing: 0.12em; text-transform: uppercase;
    transition: all var(--transition); border: 2px solid var(--c-accent);
}
.btn-primary-cta:hover {
    background: transparent; color: var(--c-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px color-mix(in srgb, var(--c-accent) 20%, transparent);
}
.btn-secondary-cta {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.9rem 2rem; background: transparent; color: var(--c-text);
    border-radius: var(--radius); font-weight: 600; font-size: 0.82rem;
    letter-spacing: 0.12em; text-transform: uppercase;
    border: 1px solid rgba(242,242,242,0.25); transition: all var(--transition);
}
.btn-secondary-cta:hover {
    border-color: var(--c-text);
    background: rgba(242,242,242,0.05);
    transform: translateY(-2px);
}

/* ─────────────────────────────────────────────────────────────
   15. QR COMPONENTS (dashboard/qr_access.php)
   ───────────────────────────────────────────────────────────── */
.qr-page-card {
    max-width: 480px;
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: calc(var(--radius)*1.5);
    padding: 2rem; display: flex; flex-direction: column;
    align-items: center; gap: 1.25rem;
}
.qr-page-card-title {
    font-size: 0.68rem; font-weight: 700; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--c-muted); align-self: flex-start;
}
.qr-svg-wrap {
    background: var(--c-white); border-radius: var(--radius);
    padding: 0.75rem; display: flex; align-items: center; justify-content: center;
}
.qr-svg-wrap svg { width: 240px; height: 240px; display: block; }
.expiry-badge {
    background: color-mix(in srgb, var(--c-warning) 12%, transparent);
    color: var(--c-warning);
    padding: 0.35rem 1rem; border-radius: 20px;
    font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em;
}
.qr-hint {
    font-size: 0.78rem; color: var(--c-muted); text-align: center; line-height: 1.5;
}
.error-box {
    background: color-mix(in srgb, var(--c-danger) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--c-danger) 25%, transparent);
    color: var(--c-danger); border-radius: var(--radius);
    padding: 0.75rem 1rem; font-size: 0.85rem; width: 100%; text-align: center;
}
.status-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.45rem 1.1rem; border-radius: 20px;
    font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em;
}
.status-inside {
    background: color-mix(in srgb, var(--c-success) 10%, transparent);
    color: var(--c-success);
    border: 1px solid color-mix(in srgb, var(--c-success) 20%, transparent);
}

/* ─────────────────────────────────────────────────────────────
   16. AUTH PAGES — bg-grid, bg-glow, back-link, card accent
   ───────────────────────────────────────────────────────────── */
.bg-grid {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(color-mix(in srgb, var(--c-accent) 3%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--c-accent) 3%, transparent) 1px, transparent 1px);
    background-size: 48px 48px;
}
.bg-glow {
    position: fixed; top: -20%; left: 50%; transform: translateX(-50%);
    width: 750px; height: 500px; pointer-events: none; z-index: 0;
    background: radial-gradient(ellipse, color-mix(in srgb, var(--c-accent) 5%, transparent) 0%, transparent 70%);
}
.back-link {
    position: fixed; top: 1.5rem; left: clamp(1.25rem, 4vw, 3rem);
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--c-muted); transition: color var(--transition); z-index: 10;
}
.back-link:hover { color: var(--c-accent); }
.back-link svg { transition: transform var(--transition); }
.back-link:hover svg { transform: translateX(-3px); }

/* Card accent bar (login + confirm) */
.card-accent-bar {
    height: 3px;
    background: linear-gradient(90deg, var(--c-accent), color-mix(in srgb, var(--c-accent) 20%, transparent));
}

/* Spinner (login loading state) */
.spinner {
    display: none; width: 14px; height: 14px;
    border: 2px solid currentColor; border-top-color: transparent;
    border-radius: 50%; animation: spin 0.7s linear infinite;
}
.btn-submit.loading { pointer-events: none; opacity: 0.7; }
.btn-submit.loading .spinner { display: block; }
.btn-submit.loading .btn-text { opacity: 0.7; }

/* ─────────────────────────────────────────────────────────────
   17. REVEAL ON SCROLL (páginas públicas)
   ───────────────────────────────────────────────────────────── */
.reveal {
    opacity: 0; transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ─────────────────────────────────────────────────────────────
   18. RESPONSIVE — DASHBOARD
   ───────────────────────────────────────────────────────────── */
@media (max-width: 991px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; padding-top: calc(var(--nav-h) + 1.5rem); }
    .mobile-nav { display: flex; }
}
@media (max-width: 480px) {
    .topbar-greeting { font-size: 1.4rem; }
    .qr-svg-wrap svg { width: 200px; height: 200px; }
}

/* ─────────────────────────────────────────────────────────────
   19. RESPONSIVE — PÚBLICO
   ───────────────────────────────────────────────────────────── */
@media (max-width: 991px) {
    .nav-links, .nav-login { display: none; }
    .nav-hamburger { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 575px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────────────────────
   20. KEYFRAMES
   ───────────────────────────────────────────────────────────── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes shake {
    0%,100% { transform: translateX(0); }
    20%      { transform: translateX(-6px); }
    40%      { transform: translateX(6px); }
    60%      { transform: translateX(-4px); }
    80%      { transform: translateX(4px); }
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.6; transform: scale(0.85); }
}