/* ═══════════════════════════════════════
   ZOI PUBLICIDAD — Design System
   ═══════════════════════════════════════ */

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

:root {
  --primary:       #E82526;
  --primary-dark:  #C41E1F;
  --primary-light: #F7941D;
  --primary-bg:    #FEF0F0;
  --dark:          #1A1A1A;
  --gray-700:      #374151;
  --gray-500:      #6B7280;
  --gray-300:      #D1D5DB;
  --gray-100:      #F3F4F6;
  --white:         #FFFFFF;
  --success:       #10B981;
  --success-bg:    #ECFDF5;
  --success-border:#6EE7B7;
  --error:         #EF4444;
  --error-bg:      #FEF2F2;
  --error-border:  #FCA5A5;
  --warning:       #F59E0B;
  --warning-bg:    #FFFBEB;
  --border:        #E5E7EB;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08);
  --shadow:        0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:     0 8px 32px rgba(0,0,0,.14);
  --radius:        8px;
  --radius-lg:     14px;
  --font:          -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}

body { font-family:var(--font); color:var(--dark); background:var(--white); line-height:1.6; font-size:16px; }
img  { max-width:100%; display:block; }
a    { color:var(--primary); }

/* ── Layout ──────────────────────────────────────── */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }

/* ── Header ──────────────────────────────────────── */
.header {
  background:var(--white);
  border-bottom:1px solid var(--border);
  position:sticky; top:0; z-index:200;
  box-shadow:var(--shadow-sm);
}
.header-inner {
  display:flex; align-items:center; justify-content:space-between; height:68px;
}
.logo { display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--dark); }
.logo-img { height:40px; width:auto; }
.logo-text { font-size:20px; font-weight:800; letter-spacing:-0.5px; line-height:1.1; }
.logo-text span { color:var(--primary); }

.nav { display:flex; align-items:center; gap:4px; }
.nav a {
  text-decoration:none; color:var(--gray-700); font-weight:500;
  padding:8px 14px; border-radius:var(--radius); transition:.2s; font-size:15px;
}
.nav a:hover { color:var(--primary); background:var(--primary-bg); }
.nav a.active { color:var(--primary); }

.nav-toggle {
  display:none; background:none; border:none; cursor:pointer;
  padding:8px; color:var(--dark); font-size:22px;
}

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:10px 20px; border-radius:var(--radius); font-size:15px; font-weight:600;
  cursor:pointer; transition:.2s; border:2px solid transparent;
  text-decoration:none; white-space:nowrap; line-height:1;
}
.btn-primary  { background:var(--primary); color:var(--white); border-color:var(--primary); }
.btn-primary:hover  { background:var(--primary-dark); border-color:var(--primary-dark); transform:translateY(-1px); box-shadow:var(--shadow); }
.btn-secondary { background:var(--dark); color:var(--white); border-color:var(--dark); }
.btn-secondary:hover { background:#333; }
.btn-outline   { background:transparent; color:var(--primary); border-color:var(--primary); }
.btn-outline:hover   { background:var(--primary); color:var(--white); }
.btn-ghost     { background:transparent; color:var(--gray-700); border-color:transparent; }
.btn-ghost:hover     { background:var(--gray-100); }
.btn-danger    { background:#EF4444; color:var(--white); border-color:#EF4444; }
.btn-danger:hover    { background:#DC2626; }
.btn-success   { background:var(--success); color:var(--white); border-color:var(--success); }
.btn-sm  { padding:6px 14px; font-size:13px; }
.btn-lg  { padding:14px 28px; font-size:17px; }
.btn-full{ width:100%; }
.btn:disabled { opacity:.45; cursor:not-allowed; transform:none !important; box-shadow:none !important; }

/* ── Cards ───────────────────────────────────────── */
.card {
  background:var(--white); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:24px; box-shadow:var(--shadow-sm);
}

/* ── Forms ───────────────────────────────────────── */
.form-group { margin-bottom:20px; }
.form-row   { display:grid; gap:16px; grid-template-columns:1fr 1fr; }
.form-label { display:block; font-weight:600; font-size:14px; color:var(--gray-700); margin-bottom:6px; }
.form-label .req { color:var(--error); }
.form-input, .form-select, .form-textarea {
  width:100%; padding:10px 14px; border:2px solid var(--border); border-radius:var(--radius);
  font-size:15px; font-family:var(--font); color:var(--dark); background:var(--white);
  transition:border-color .2s; outline:none; appearance:none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color:var(--primary); }
.form-input.is-error, .form-select.is-error { border-color:var(--error); }
.form-textarea { resize:vertical; min-height:80px; }
.form-hint  { font-size:13px; color:var(--gray-500); margin-top:4px; }
.form-error { font-size:13px; color:var(--error); margin-top:4px; display:none; }
.form-error.visible { display:block; }

/* ── Alerts ──────────────────────────────────────── */
.alert {
  padding:12px 16px; border-radius:var(--radius); font-size:14px;
  margin-bottom:16px; display:flex; align-items:flex-start; gap:10px; border:1px solid;
}
.alert-icon { font-size:18px; flex-shrink:0; }
.alert-success { background:var(--success-bg);  color:#065F46; border-color:var(--success-border); }
.alert-error   { background:var(--error-bg);    color:#991B1B; border-color:var(--error-border); }
.alert-warning { background:var(--warning-bg);  color:#92400E; border-color:#FCD34D; }
.alert-info    { background:#EFF6FF;             color:#1E40AF; border-color:#BFDBFE; }

/* ── Badges ──────────────────────────────────────── */
.badge { display:inline-flex; align-items:center; padding:3px 10px; border-radius:20px; font-size:12px; font-weight:600; }
.badge-pending    { background:#FEF3C7; color:#92400E; }
.badge-processing { background:#DBEAFE; color:#1E40AF; }
.badge-completed  { background:#D1FAE5; color:#065F46; }
.badge-cancelled  { background:#FEE2E2; color:#991B1B; }

/* ── Hero ────────────────────────────────────────── */
.hero {
  background:linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
  color:var(--white); padding:80px 0; text-align:center; position:relative; overflow:hidden;
}
.hero::before {
  content:''; position:absolute; top:-30%; left:-20%; width:140%; height:160%;
  background:radial-gradient(ellipse at 25% 60%, rgba(255,87,34,.18) 0%, transparent 55%);
}
.hero-content { position:relative; z-index:1; }
.hero h1 { font-size:clamp(30px,5vw,54px); margin-bottom:20px; line-height:1.15; }
.hero h1 strong { color:var(--primary); }
.hero p  { font-size:18px; color:rgba(255,255,255,.8); max-width:580px; margin:0 auto 36px; }
.hero-btns { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* ── Section ─────────────────────────────────────── */
.section { padding:72px 0; }
.section-alt { background:var(--gray-100); }
.section-header { text-align:center; margin-bottom:52px; }
.section-header h2 { font-size:32px; margin-bottom:10px; }
.section-header p  { color:var(--gray-500); font-size:17px; max-width:580px; margin:0 auto; }
.divider { width:48px; height:4px; background:var(--primary); margin:14px auto; border-radius:2px; }

/* ── Product Cards ───────────────────────────────── */
.product-grid {
  display:grid; grid-template-columns:repeat(auto-fit, minmax(290px,1fr)); gap:28px;
}
.product-card {
  border:2px solid var(--border); border-radius:var(--radius-lg); overflow:hidden;
  background:var(--white); box-shadow:var(--shadow-sm); transition:.3s;
  text-decoration:none; color:inherit; display:flex; flex-direction:column;
}
.product-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); border-color:var(--primary); }
.product-card-image {
  height:200px; display:flex; align-items:center; justify-content:center; font-size:72px; position:relative;
}
.product-card-image.lona      { background:linear-gradient(135deg,#E3F2FD,#90CAF9); }
.product-card-image.vinil     { background:linear-gradient(135deg,#F3E5F5,#CE93D8); }
.product-card-image.coroplast { background:linear-gradient(135deg,#E8F5E9,#81C784); }
.product-card-body { padding:22px; flex:1; display:flex; flex-direction:column; }
.product-card-body h3 { font-size:20px; margin-bottom:8px; }
.product-card-body p  { color:var(--gray-500); font-size:14px; line-height:1.7; flex:1; }
.product-card-footer {
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; margin-top:16px; border-top:1px solid var(--border);
}
.product-dpi { font-size:13px; color:var(--gray-500); }
.product-dpi strong { color:var(--dark); }

/* ── Steps ───────────────────────────────────────── */
.steps { display:grid; grid-template-columns:repeat(auto-fit, minmax(200px,1fr)); gap:36px; }
.step  { text-align:center; }
.step-icon {
  width:64px; height:64px; background:var(--primary); border-radius:50%;
  display:flex; align-items:center; justify-content:center; margin:0 auto 16px; font-size:26px;
}
.step h3  { font-size:17px; margin-bottom:8px; }
.step p   { color:var(--gray-500); font-size:14px; }

/* ── Upload Zone ─────────────────────────────────── */
.upload-zone {
  border:2px dashed var(--border); border-radius:var(--radius-lg);
  padding:48px 24px; text-align:center; background:var(--gray-100);
  transition:.25s; cursor:pointer; position:relative;
}
.upload-zone:hover, .upload-zone.drag-over { border-color:var(--primary); background:var(--primary-bg); }
.upload-zone.state-valid   { border-color:var(--success); background:var(--success-bg); }
.upload-zone.state-invalid { border-color:var(--error);   background:var(--error-bg); }
.upload-zone input[type="file"] { position:absolute; inset:0; opacity:0; cursor:pointer; width:100%; height:100%; }
.upload-icon { font-size:52px; margin-bottom:12px; display:block; }
.upload-zone h3 { font-size:17px; margin-bottom:6px; }
.upload-zone p  { color:var(--gray-500); font-size:14px; }

/* ── DPI Result ──────────────────────────────────── */
.dpi-result { margin-top:14px; padding:16px; border-radius:var(--radius); display:none; border:1px solid; }
.dpi-result.valid   { background:var(--success-bg); border-color:var(--success-border); color:#065F46; display:block; }
.dpi-result.invalid { background:var(--error-bg);   border-color:var(--error-border);   color:#991B1B; display:block; }
.dpi-header  { display:flex; align-items:center; gap:10px; margin-bottom:8px; }
.dpi-icon    { font-size:22px; flex-shrink:0; }
.dpi-track   { height:6px; background:rgba(0,0,0,.12); border-radius:3px; overflow:hidden; margin-top:10px; }
.dpi-fill    { height:100%; border-radius:3px; transition:width .5s ease; }
.dpi-fill.valid   { background:var(--success); }
.dpi-fill.invalid { background:var(--error); }

/* ── Image Preview ───────────────────────────────── */
.image-preview { margin-top:14px; display:none; }
.image-preview img { max-height:200px; border-radius:var(--radius); border:1px solid var(--border); object-fit:contain; }
.image-preview.visible { display:block; }
.image-meta { font-size:13px; color:var(--gray-500); margin-top:6px; }

/* ── Size Presets ────────────────────────────────── */
.size-presets { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:14px; }
.size-btn {
  padding:8px 16px; border:2px solid var(--border); border-radius:var(--radius);
  background:var(--white); cursor:pointer; font-size:14px; font-weight:500;
  transition:.2s; color:var(--dark); font-family:var(--font);
}
.size-btn:hover  { border-color:var(--primary); color:var(--primary); }
.size-btn.active { border-color:var(--primary); background:var(--primary); color:var(--white); }
.size-btn.custom { border-style:dashed; }
.custom-size-row { display:grid; grid-template-columns:1fr 28px 1fr; gap:10px; align-items:center; margin-top:10px; }
.custom-size-sep { text-align:center; font-weight:700; color:var(--gray-500); }

/* ── Order Steps (progress indicator) ───────────────── */
.order-steps { display:flex; gap:0; margin-bottom:32px; }
.order-step {
  flex:1; padding:12px 16px; text-align:center; background:var(--gray-100);
  border:1px solid var(--border); font-size:14px; font-weight:600; color:var(--gray-500);
}
.order-step:first-child { border-radius:var(--radius) 0 0 var(--radius); }
.order-step:last-child  { border-radius:0 var(--radius) var(--radius) 0; }
.order-step.done   { background:var(--primary-bg); color:var(--primary); border-color:var(--primary-light); }
.order-step.active { background:var(--primary);    color:var(--white);   border-color:var(--primary); }

/* ── Modal ───────────────────────────────────────── */
.modal-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.5);
  z-index:1000; display:flex; align-items:center; justify-content:center; padding:20px;
}
.modal {
  background:var(--white); border-radius:var(--radius-lg); max-width:560px; width:100%;
  max-height:90vh; overflow-y:auto; box-shadow:var(--shadow-lg);
  animation:slideUp .25s ease;
}
@keyframes slideUp { from { transform:translateY(20px); opacity:0; } }
.modal-header { padding:20px 24px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; }
.modal-header h3 { font-size:18px; }
.modal-body   { padding:24px; }
.modal-footer { padding:16px 24px; border-top:1px solid var(--border); display:flex; justify-content:flex-end; gap:12px; }
.modal-close  { background:none; border:none; font-size:22px; cursor:pointer; color:var(--gray-500); padding:0 4px; }

/* ── Table ───────────────────────────────────────── */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; font-size:14px; }
th, td { padding:11px 16px; text-align:left; border-bottom:1px solid var(--border); }
th { font-weight:600; color:var(--gray-500); font-size:12px; text-transform:uppercase; letter-spacing:.5px; background:var(--gray-100); }
tr:hover td { background:#FAFAFA; }

/* ── Footer ──────────────────────────────────────── */
.footer { background:var(--dark); color:rgba(255,255,255,.7); padding:56px 0 24px; margin-top:auto; }
.footer-grid { display:grid; grid-template-columns:1.5fr repeat(2,1fr); gap:40px; margin-bottom:40px; }
.footer h4   { color:var(--white); margin-bottom:16px; font-size:15px; }
.footer p    { font-size:14px; line-height:1.7; }
.footer a    { color:rgba(255,255,255,.6); text-decoration:none; display:block; margin-bottom:8px; font-size:14px; transition:.2s; }
.footer a:hover { color:var(--primary); }
.footer-logo { font-size:22px; font-weight:800; color:var(--white); margin-bottom:12px; }
.footer-logo span { color:var(--primary); }
.footer-bottom { border-top:1px solid rgba(255,255,255,.1); padding-top:20px; text-align:center; font-size:13px; }
.social-links { display:flex; gap:12px; margin-top:12px; }
.social-link  { color:rgba(255,255,255,.5) !important; font-size:20px !important; display:inline-flex !important; }
.social-link:hover { color:var(--primary) !important; }

/* ── Auth page ───────────────────────────────────── */
.auth-wrapper { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px; background:var(--gray-100); }
.auth-card { background:var(--white); border-radius:var(--radius-lg); padding:40px; width:100%; max-width:420px; box-shadow:var(--shadow); border:1px solid var(--border); }
.auth-logo { text-align:center; margin-bottom:28px; }
.auth-logo .logo-text { font-size:26px; }
.auth-tabs { display:flex; margin-bottom:28px; border:2px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.auth-tab { flex:1; padding:10px; text-align:center; cursor:pointer; font-weight:600; font-size:14px; color:var(--gray-500); background:none; border:none; transition:.2s; font-family:var(--font); }
.auth-tab.active { background:var(--primary); color:var(--white); }

/* ── Account/Dashboard ───────────────────────────── */
.dashboard-header { background:linear-gradient(135deg,#1A1A1A,#2D3748); color:var(--white); padding:40px 0 48px; }
.dashboard-header h1 { font-size:26px; margin-bottom:4px; }
.dashboard-header p  { color:rgba(255,255,255,.7); }
.dashboard-body { margin-top:-24px; padding-bottom:48px; }

/* ── Admin layout ────────────────────────────────── */
.admin-layout { display:flex; min-height:100vh; }
.admin-sidebar {
  width:240px; flex-shrink:0; background:var(--dark); color:var(--white);
  display:flex; flex-direction:column; position:fixed; top:0; left:0; bottom:0; overflow-y:auto;
}
.admin-sidebar-logo { padding:24px 20px; border-bottom:1px solid rgba(255,255,255,.1); }
.admin-sidebar-logo .logo-text { font-size:18px; }
.admin-nav { padding:16px 12px; flex:1; }
.admin-nav-item {
  display:flex; align-items:center; gap:10px; padding:10px 14px; border-radius:var(--radius);
  color:rgba(255,255,255,.7); text-decoration:none; font-size:14px; font-weight:500;
  margin-bottom:4px; transition:.2s; cursor:pointer; background:none; border:none;
  width:100%; font-family:var(--font);
}
.admin-nav-item:hover  { background:rgba(255,255,255,.08); color:var(--white); }
.admin-nav-item.active { background:var(--primary); color:var(--white); }
.admin-nav-icon { font-size:18px; width:20px; text-align:center; }
.admin-main { margin-left:240px; flex:1; background:var(--gray-100); min-height:100vh; }
.admin-topbar {
  background:var(--white); border-bottom:1px solid var(--border); padding:16px 28px;
  display:flex; align-items:center; justify-content:space-between; position:sticky; top:0; z-index:100;
}
.admin-topbar h2 { font-size:18px; }
.admin-content { padding:28px; }
.admin-section { display:none; }
.admin-section.active { display:block; }

/* ── Stat Cards ──────────────────────────────────── */
.stat-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(180px,1fr)); gap:20px; margin-bottom:28px; }
.stat-card { background:var(--white); border:1px solid var(--border); border-radius:var(--radius-lg); padding:22px; box-shadow:var(--shadow-sm); }
.stat-card .stat-label { font-size:13px; color:var(--gray-500); margin-bottom:6px; font-weight:600; text-transform:uppercase; letter-spacing:.4px; }
.stat-card .stat-value { font-size:32px; font-weight:800; color:var(--dark); }
.stat-card .stat-icon  { font-size:28px; margin-bottom:8px; }

/* ── Tag list (preset sizes in admin) ───────────────── */
.tag-list { display:flex; flex-wrap:wrap; gap:6px; margin-top:6px; }
.tag {
  display:inline-flex; align-items:center; gap:4px; padding:4px 10px;
  background:var(--gray-100); border:1px solid var(--border); border-radius:20px; font-size:13px;
}
.tag-remove { background:none; border:none; cursor:pointer; color:var(--error); font-size:16px; line-height:1; padding:0 2px; }

/* ── Spinner ─────────────────────────────────────── */
.spinner {
  width:20px; height:20px; border:3px solid rgba(255,255,255,.3);
  border-top-color:var(--white); border-radius:50%; animation:spin .7s linear infinite; display:inline-block;
}
@keyframes spin { to { transform:rotate(360deg); } }

/* ── WhatsApp button ─────────────────────────────── */
.btn-whatsapp { background:#25D366; color:var(--white); border-color:#25D366; }
.btn-whatsapp:hover { background:#1EBE59; border-color:#1EBE59; }

/* ── Empty state ─────────────────────────────────── */
.empty-state { text-align:center; padding:56px 24px; color:var(--gray-500); }
.empty-state .empty-icon { font-size:64px; margin-bottom:16px; }
.empty-state h3 { font-size:18px; color:var(--dark); margin-bottom:8px; }

/* ── Responsive ──────────────────────────────────── */
@media (max-width:900px) {
  .admin-sidebar { transform:translateX(-100%); transition:.3s; z-index:300; }
  .admin-sidebar.open { transform:translateX(0); }
  .admin-main { margin-left:0; }
}
@media (max-width:768px) {
  .nav { display:none; flex-direction:column; position:fixed; top:68px; left:0; right:0;
    background:var(--white); padding:12px 16px; border-bottom:1px solid var(--border); box-shadow:var(--shadow); z-index:199; }
  .nav.open { display:flex; }
  .nav-toggle { display:block; }
  .hero { padding:56px 0; }
  .section { padding:48px 0; }
  .hero-btns { flex-direction:column; align-items:center; }
  .footer-grid { grid-template-columns:1fr; }
  .form-row { grid-template-columns:1fr; }
}
@media (max-width:480px) {
  .container { padding:0 16px; }
  .card { padding:16px; }
  .auth-card { padding:24px; }
}