/* =====================================================================
   MeetUp — Hoja de estilos principal
   Paleta inspirada en el logo (púrpura/azul sobre fondo oscuro) +
   colores complementarios (rosa, cian, naranja, amarillo) para
   categorías, acentos y estados.
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
    /* Base */
    --bg: #07070f;
    --bg-soft: #0d0e1c;
    --surface: #12142866;
    --surface-solid: #131529;
    --surface-2: #1a1d38;
    --border: #2a2d52;
    --text: #f1f1fb;
    --text-dim: #a4a6c9;
    --text-faint: #6d6f99;

    /* Paleta principal (del logo) */
    --purple: #8b5cf6;
    --purple-2: #7c3aed;
    --blue: #3b82f6;
    --indigo: #6366f1;

    /* Complementarios */
    --pink: #ec4899;
    --cyan: #06b6d4;
    --orange: #f97316;
    --yellow: #eab308;
    --green: #22c55e;
    --red: #ef4444;

    --gradient-brand: linear-gradient(135deg, var(--blue) 0%, var(--purple) 45%, var(--pink) 100%);
    --gradient-hero: radial-gradient(circle at 20% 20%, rgba(139,92,246,.35), transparent 45%),
                      radial-gradient(circle at 80% 0%, rgba(59,130,246,.30), transparent 40%),
                      radial-gradient(circle at 50% 100%, rgba(236,72,153,.25), transparent 45%);
    --shadow-glow: 0 0 40px rgba(139,92,246,.35);
    --radius: 18px;
    --radius-sm: 10px;
    --ease: cubic-bezier(.22,1,.36,1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', system-ui, sans-serif;
    line-height: 1.55;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
    background-size: 26px 26px;
    z-index: -1;
    pointer-events: none;
    opacity: .5;
}

h1, h2, h3, h4 { font-family: 'Poppins', 'Inter', sans-serif; margin: 0 0 .5em; line-height: 1.2; }
p { margin: 0 0 1em; color: var(--text-dim); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 22px; }

::selection { background: var(--purple); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--purple-2); }

/* =====================================================================
   Texto degradado / marca
   ===================================================================== */
.text-gradient {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 200% auto;
    animation: gradient-shift 6s ease infinite;
}

@keyframes gradient-shift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* =====================================================================
   Navbar
   ===================================================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    background: rgba(7,7,15,.72);
    border-bottom: 1px solid rgba(255,255,255,.06);
}

.navbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }

.brand { display: flex; align-items: center; gap: 10px; font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.25rem; }

.brand-mark {
    width: 38px; height: 38px; border-radius: 11px;
    background: var(--gradient-brand);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 0 22px rgba(139,92,246,.55);
    animation: pulse-glow 3.4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 18px rgba(139,92,246,.45); transform: scale(1); }
    50%      { box-shadow: 0 0 30px rgba(236,72,153,.55); transform: scale(1.05); }
}

.nav-links { display: flex; align-items: center; gap: 6px; }

.nav-link {
    padding: 9px 16px;
    border-radius: 999px;
    font-size: .93rem;
    font-weight: 500;
    color: var(--text-dim);
    transition: all .25s var(--ease);
    white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(139,92,246,.16); }

.nav-toggle { display: none; }

/* =====================================================================
   Botones
   ===================================================================== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
    position: relative;
    overflow: hidden;
}
.btn:active { transform: scale(.97); }

.btn-primary {
    background: var(--gradient-brand);
    background-size: 200% auto;
    color: #fff;
    box-shadow: 0 8px 24px rgba(124,58,237,.35);
}
.btn-primary:hover { background-position: right center; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(236,72,153,.4); }

.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--purple); background: rgba(139,92,246,.1); transform: translateY(-2px); }

.btn-ghost { background: rgba(255,255,255,.05); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,.1); }

.btn-danger { background: rgba(239,68,68,.15); color: #fca5a5; border-color: rgba(239,68,68,.3); }
.btn-danger:hover { background: rgba(239,68,68,.25); }

.btn-sm { padding: 8px 16px; font-size: .82rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none !important; }

/* =====================================================================
   Hero
   ===================================================================== */
.hero { padding: 90px 0 70px; position: relative; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 16px; border-radius: 999px;
    background: rgba(139,92,246,.12);
    border: 1px solid rgba(139,92,246,.3);
    font-size: .82rem; color: #c4b5fd;
    margin-bottom: 22px;
    animation: fade-up .7s var(--ease) both;
}

.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; max-width: 760px; animation: fade-up .8s var(--ease) both .05s; }
.hero p.lead { font-size: 1.15rem; max-width: 560px; animation: fade-up .8s var(--ease) both .12s; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; animation: fade-up .8s var(--ease) both .2s; }

.hero-stats { display: flex; gap: 34px; margin-top: 56px; flex-wrap: wrap; animation: fade-up .8s var(--ease) both .3s; }
.hero-stat strong { display: block; font-family: 'Poppins'; font-size: 1.8rem; font-weight: 800; }
.hero-stat span { font-size: .82rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: .06em; }

@keyframes fade-up { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }

.blob {
    position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55; z-index: -1;
    animation: float 12s ease-in-out infinite;
}
.blob-1 { width: 340px; height: 340px; background: var(--purple); top: -80px; right: -60px; }
.blob-2 { width: 260px; height: 260px; background: var(--pink); bottom: -60px; left: 10%; animation-delay: -4s; }
.blob-3 { width: 220px; height: 220px; background: var(--cyan); top: 40%; right: 20%; animation-delay: -8s; }

@keyframes float {
    0%, 100% { transform: translate(0,0) scale(1); }
    50% { transform: translate(20px, -30px) scale(1.08); }
}

/* =====================================================================
   Secciones / títulos
   ===================================================================== */
.section { padding: 60px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 32px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; color: var(--cyan); font-weight: 600; margin-bottom: 6px; display: block; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* =====================================================================
   Categorías
   ===================================================================== */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; }
.cat-card {
    padding: 22px 18px; border-radius: var(--radius); text-align: center;
    background: var(--surface-solid); border: 1px solid var(--border);
    transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.cat-card:hover { transform: translateY(-6px); box-shadow: 0 16px 30px -12px var(--cat-color, var(--purple)); border-color: var(--cat-color, var(--purple)); }
.cat-icon { font-size: 2rem; margin-bottom: 10px; display: inline-block; transition: transform .3s var(--ease); }
.cat-card:hover .cat-icon { transform: scale(1.2) rotate(-6deg); }
.cat-card span.name { font-weight: 600; font-size: .95rem; }

.chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 13px; border-radius: 999px; font-size: .78rem; font-weight: 600;
    background: color-mix(in srgb, var(--chip-color, var(--purple)) 18%, transparent);
    color: var(--chip-color, var(--purple));
    border: 1px solid color-mix(in srgb, var(--chip-color, var(--purple)) 40%, transparent);
}

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.filter-pill {
    padding: 8px 16px; border-radius: 999px; font-size: .85rem; font-weight: 500;
    background: var(--surface-solid); border: 1px solid var(--border); color: var(--text-dim);
    transition: all .25s var(--ease);
}
.filter-pill:hover, .filter-pill.active { color: #fff; border-color: var(--purple); background: rgba(139,92,246,.18); }

/* =====================================================================
   Cards de evento
   ===================================================================== */
.event-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 22px; }

.event-card {
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
    position: relative;
}
.event-card:hover { transform: translateY(-8px); box-shadow: 0 22px 40px -18px rgba(139,92,246,.5); border-color: rgba(139,92,246,.5); }

.event-thumb { position: relative; height: 165px; overflow: hidden; background: var(--gradient-brand); }
.event-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.event-card:hover .event-thumb img { transform: scale(1.08); }
.event-thumb .placeholder-icon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 3rem; }

.event-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.event-title { font-size: 1.08rem; font-weight: 700; font-family: 'Poppins'; }
.event-meta { display: flex; flex-direction: column; gap: 6px; font-size: .84rem; color: var(--text-dim); }
.event-meta .row { display: flex; align-items: center; gap: 7px; }
.event-footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); }
.event-price { font-weight: 700; font-family: 'Poppins'; }
.event-price.free { color: var(--green); }
.spots-bar { height: 6px; border-radius: 4px; background: var(--surface-2); overflow: hidden; margin-top: 4px; }
.spots-bar > div { height: 100%; background: var(--gradient-brand); transition: width .5s var(--ease); }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.badge-pending { background: rgba(234,179,8,.18); color: var(--yellow); }
.badge-approved { background: rgba(34,197,94,.18); color: var(--green); }
.badge-rejected { background: rgba(239,68,68,.18); color: var(--red); }
.badge-cancelled { background: rgba(148,148,180,.18); color: var(--text-faint); }

/* =====================================================================
   Cards genéricas / paneles / formularios
   ===================================================================== */
.card { background: var(--surface-solid); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.card-glow { position: relative; }
.card-glow::before {
    content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
    background: var(--gradient-brand); opacity: .5;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude;
    pointer-events: none;
}

.auth-wrap { min-height: calc(100vh - 140px); display: flex; align-items: center; justify-content: center; padding: 50px 20px; }
.auth-card { width: 100%; max-width: 420px; }
.auth-card h1 { font-size: 1.6rem; text-align: center; }
.auth-card p.sub { text-align: center; margin-bottom: 24px; }

.form-group { margin-bottom: 18px; }
label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 7px; color: var(--text-dim); }
input, select, textarea {
    width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
    background: var(--bg-soft); border: 1px solid var(--border); color: var(--text);
    font-family: inherit; font-size: .93rem;
    transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--purple); box-shadow: 0 0 0 3px rgba(139,92,246,.22); }
textarea { resize: vertical; min-height: 110px; }
.help-text { font-size: .78rem; color: var(--text-faint); margin-top: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.input-icon-wrap { position: relative; }
.input-icon-wrap input { padding-left: 40px; }
.input-icon-wrap .icon { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); opacity: .6; }

/* Toggle switch (para GA on/off futuro) */
.switch { position: relative; display: inline-block; width: 46px; height: 26px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider-toggle { position: absolute; cursor: pointer; inset: 0; background: var(--surface-2); border-radius: 999px; transition: .3s; }
.slider-toggle::before { content: ''; position: absolute; height: 20px; width: 20px; left: 3px; bottom: 3px; background: white; border-radius: 50%; transition: .3s; }
.switch input:checked + .slider-toggle { background: var(--gradient-brand); }
.switch input:checked + .slider-toggle::before { transform: translateX(20px); }

/* =====================================================================
   Alertas / flash messages
   ===================================================================== */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: .9rem; border: 1px solid transparent; animation: fade-up .4s var(--ease) both; }
.alert-success { background: rgba(34,197,94,.12); border-color: rgba(34,197,94,.35); color: #86efac; }
.alert-error { background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.35); color: #fca5a5; }
.alert-info { background: rgba(59,130,246,.12); border-color: rgba(59,130,246,.35); color: #93c5fd; }

/* =====================================================================
   Tablas (admin)
   ===================================================================== */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
thead th { text-align: left; padding: 13px 16px; background: var(--surface-2); color: var(--text-dim); font-weight: 600; white-space: nowrap; }
tbody td { padding: 13px 16px; border-top: 1px solid var(--border); vertical-align: middle; }
tbody tr { transition: background .2s; }
tbody tr:hover { background: rgba(139,92,246,.06); }

/* =====================================================================
   Dashboard admin — stat tiles
   ===================================================================== */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 18px; margin-bottom: 34px; }
.stat-tile { padding: 22px; border-radius: var(--radius); background: var(--surface-solid); border: 1px solid var(--border); position: relative; overflow: hidden; }
.stat-tile::after { content: ''; position: absolute; width: 90px; height: 90px; border-radius: 50%; background: var(--tile-color, var(--purple)); filter: blur(35px); opacity: .35; top: -30px; right: -30px; }
.stat-tile strong { font-family: 'Poppins'; font-size: 2rem; font-weight: 800; display: block; }
.stat-tile span { color: var(--text-dim); font-size: .85rem; }

.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 70px); }
.admin-sidebar { border-right: 1px solid var(--border); padding: 26px 16px; background: var(--bg-soft); }
.admin-sidebar a {
    display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-radius: var(--radius-sm);
    color: var(--text-dim); font-size: .9rem; font-weight: 500; margin-bottom: 4px; transition: all .2s;
}
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(139,92,246,.15); color: #fff; }
.admin-main { padding: 32px; }
@media (max-width: 860px) { .admin-shell { grid-template-columns: 1fr; } .admin-sidebar { display: flex; overflow-x: auto; gap: 4px; padding: 12px; } .admin-sidebar a { white-space: nowrap; margin-bottom: 0; } }

/* =====================================================================
   Ticket / QR
   ===================================================================== */
.ticket {
    max-width: 420px; margin: 0 auto; border-radius: 22px; overflow: hidden;
    background: var(--surface-solid); border: 1px solid var(--border);
    box-shadow: var(--shadow-glow);
}
.ticket-head { background: var(--gradient-brand); padding: 22px 24px; }
.ticket-head h3 { color: #fff; margin: 0; }
.ticket-head span { color: rgba(255,255,255,.85); font-size: .85rem; }
.ticket-body { padding: 26px 24px; text-align: center; }
.ticket-qr { background: #fff; padding: 14px; border-radius: 16px; display: inline-block; animation: pulse-glow 3.5s ease-in-out infinite; }
.ticket-qr img { width: 220px; height: 220px; }
.ticket-code { font-family: monospace; letter-spacing: .1em; margin-top: 14px; color: var(--text-dim); font-size: .9rem; }
.ticket-dashed { border-top: 2px dashed var(--border); position: relative; margin: 0 24px; }
.ticket-dashed::before, .ticket-dashed::after { content: ''; position: absolute; top: -12px; width: 24px; height: 24px; background: var(--bg); border-radius: 50%; }
.ticket-dashed::before { left: -36px; }
.ticket-dashed::after { right: -36px; }

/* =====================================================================
   Scanner
   ===================================================================== */
#qr-reader { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.scan-result { padding: 20px; border-radius: var(--radius); margin-top: 18px; text-align: center; font-weight: 700; font-size: 1.1rem; animation: fade-up .4s var(--ease) both; }
.scan-ok { background: rgba(34,197,94,.15); color: #86efac; border: 1px solid rgba(34,197,94,.4); }
.scan-fail { background: rgba(239,68,68,.15); color: #fca5a5; border: 1px solid rgba(239,68,68,.4); }
.scan-warn { background: rgba(234,179,8,.15); color: var(--yellow); border: 1px solid rgba(234,179,8,.4); }

/* =====================================================================
   Footer
   ===================================================================== */
.footer { border-top: 1px solid rgba(255,255,255,.06); padding: 40px 0; margin-top: 60px; color: var(--text-faint); font-size: .85rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; }
.footer a { color: var(--text-dim); }
.footer a:hover { color: var(--purple); }

/* =====================================================================
   Utilidades
   ===================================================================== */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.w-full { width: 100%; }
.empty-state { text-align: center; padding: 70px 20px; color: var(--text-faint); }
.empty-state .icon { font-size: 3rem; margin-bottom: 14px; }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; animation: spin 0.7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Responsive nav */
@media (max-width: 780px) {
    .nav-links { position: fixed; top: 66px; left: 0; right: 0; background: var(--bg-soft); flex-direction: column; align-items: stretch; padding: 14px; border-bottom: 1px solid var(--border); transform: translateY(-130%); opacity: 0; transition: all .3s var(--ease); z-index: 90; }
    .nav-links.open { transform: translateY(0); opacity: 1; }
    .nav-toggle { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.06); border: 1px solid var(--border); cursor: pointer; }
}