/* ============================================================
   RaaS PDF Reader — Design System & Global Styles
   Paleta: Azul #2c3b67, Naranja #f97316, dark-first
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Tokens Oficiales CMNCTN ----------------------------------------------- */
:root {
  /* Brand colors */
  --cmnctn-navy:          #2c3b67;
  --cmnctn-navy-strong:   #1e2a4f;
  --cmnctn-orange:        #f97316;
  --cmnctn-orange-strong: #ea580c;
  --cmnctn-bg:            #f8fafc;
  --cmnctn-surface:       #ffffff;
  --cmnctn-text:          #0f172a;
  --cmnctn-text-muted:    #64748b;
  --cmnctn-border:        #e2e8f0;

  /* Semantic Mapping */
  --clr-primary:     var(--cmnctn-navy);
  --clr-primary-lt:  var(--cmnctn-navy-strong);
  --clr-accent:      var(--cmnctn-orange);
  --clr-accent-hover:var(--cmnctn-orange-strong);
  --clr-bg:          var(--cmnctn-bg);
  --clr-surface:     var(--cmnctn-surface);
  --clr-text:        var(--cmnctn-text);
  --clr-text-muted:  var(--cmnctn-text-muted);
  --clr-border:      var(--cmnctn-border);
  
  /* Status */
  --clr-success:     #16A34A;
  --clr-danger:      #DC2626;
  --clr-warning:     #F59E0B;

  /* Geometry (Sync con radius-lg oficial) */
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 16px;

  /* Sombras Modernas (Sync con shadow-md oficial) */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow:    0 8px 20px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.15);

  --transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', 'Segoe UI', sans-serif;
}

/* --- Reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  line-height: 1.6;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--clr-accent); text-decoration: none; }
a:hover { color: var(--clr-accent-hover); }

/* --- Typography ----------------------------------------------------------- */
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 700; letter-spacing: -.02em; }
h2 { font-size: clamp(1.2rem, 3vw, 1.8rem); font-weight: 600; }
h3 { font-size: 1.1rem; font-weight: 600; }
p  { color: var(--clr-text-muted); line-height: 1.7; }

/* --- Layout Utilities ----------------------------------------------------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.flex      { display: flex; }
.grid      { display: grid; }
.gap       { gap: 1rem; }
.gap-2     { gap: 1.5rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* --- Card ----------------------------------------------------------------- */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.card-body { padding: 1.25rem; }

/* --- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .65rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: .9rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
  line-height: 1;
  text-align: center;
}
.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(243,146,33,.2);
}
.btn-primary:hover {
  background: var(--clr-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(243,146,33,.3);
  color: #fff;
}
.btn-secondary {
  background: #fff;
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}
.btn-secondary:hover {
  background: var(--clr-surface-2);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}
.btn-danger  { background: var(--clr-danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: .35rem .85rem; font-size: .8rem; min-height: 32px; }
.btn-icon { padding: 0.4rem; border-radius: var(--radius-sm); display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; }
.btn svg { flex-shrink: 0; max-width: none !important; }

/* --- Form elements -------------------------------------------------------- */
.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block;
  font-size: .82rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  margin-bottom: .4rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.form-control {
  width: 100%;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: var(--font);
  font-size: .95rem;
  padding: .6rem .9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(249,115,22,.18);
}
.form-control::placeholder { color: var(--clr-text-muted); opacity: .7; }

/* --- Top nav -------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--clr-primary); /* Azul Marino CMNCTN */
  border-bottom: 2px solid var(--clr-accent); /* Línea naranja de acento */
  padding: .85rem 0;
  color: #FFFFFF;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.navbar-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF !important;
  text-decoration: none;
}
.navbar-brand svg { color: var(--clr-accent); }
.navbar-actions { display: flex; gap: .75rem; align-items: center; }
.mobile-menu-btn { display: none; background: none; border: none; color: #fff; cursor: pointer; padding: .5rem; line-height: 0; }
.mobile-menu-btn svg { width: 28px; height: 28px; }

/* --- Mobile Nav Panel Re-design --- */
.mobile-nav {
  position: fixed; top: 0; right: 0; width: 100%; height: 100vh;
  max-width: 300px; background: var(--clr-primary); z-index: 2000;
  padding: 0; box-shadow: -10px 0 40px rgba(0,0,0,0.5);
  transform: translateX(101%); transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex !important; flex-direction: column;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-header { 
  display: flex; align-items: center; justify-content: space-between; 
  padding: 1.5rem; border-bottom: 1px solid rgba(255,255,255,0.1);
  background: var(--cmnctn-navy-strong);
}
.mobile-nav-body { padding: 0.25rem 0.75rem; display: flex; flex-direction: column; gap: 0; flex: 1; overflow-y: auto; }
.mobile-nav-link { 
  color: #fff; font-size: 0.82rem; font-weight: 500; text-decoration: none; 
  display: flex; align-items: center; gap: 0.7rem; padding: 0.15rem 0.75rem;
  border-radius: var(--radius-sm); transition: background 0.2s;
  line-height: 1;
}
.mobile-nav-link:hover { background: rgba(255,255,255,0.05); }
.mobile-nav-link svg { color: var(--clr-accent); }

.mobile-overlay { 
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); 
  backdrop-filter: blur(4px); z-index: 1999; 
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.mobile-overlay.open { opacity: 1; pointer-events: all; }
.navbar-link {
  color: rgba(255,255,255,0.85);
  font-size: .85rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}
.navbar-link:hover { color: #FFFFFF; }
.user-badge {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 999px;
  padding: .3rem .9rem;
  font-size: .82rem;
  color: var(--clr-text-muted);
}

/* --- Badge (Plain for logs) ----------------------------------------------- */
.log-action {
  font-weight: 600;
  font-size: .82rem;
  color: var(--clr-primary);
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* --- Alert ---------------------------------------------------------------- */
.alert {
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  margin-bottom: 1rem;
}
.alert-err  { background: #FEF2F2; color: #991B1B; border: 1px solid #FEE2E2; }
.alert-ok   { background: #F0FDF4; color: #166534; border: 1px solid #DCFCE7; }
.alert-info { background: #EFF6FF; color: #1E40AF; border: 1px solid #DBEAFE; }

/* --- Progress bar --------------------------------------------------------- */
.progress { background: var(--clr-bg); border-radius: 999px; height: 5px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 999px; background: var(--clr-accent); transition: width .4s ease; }

/* --- Table ---------------------------------------------------------------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
thead th {
  background: var(--clr-surface-2);
  padding: .75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--clr-text-muted);
  border-bottom: 1px solid var(--clr-border);
}
tbody td {
  padding: .8rem 1rem;
  border-bottom: 1px solid rgba(44,59,103,.25);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(44,59,103,.18); }

/* --- Upload zone ---------------------------------------------------------- */
.upload-zone {
  border: 2px dashed var(--clr-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--clr-accent);
  background: rgba(249,115,22,.06);
}
.upload-zone input { display: none; }

/* --- Modal ---------------------------------------------------------------- */
.modal-bg {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.modal-bg.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 520px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  transform: scale(.95);
  transition: transform .2s;
}
.modal-bg.open .modal { transform: scale(1); }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; }
.modal-close { background: none; border: none; color: var(--clr-text-muted); cursor: pointer; font-size: 1.4rem; line-height: 1; }
.modal-footer { display: flex; gap: .75rem; justify-content: flex-end; margin-top: 1.5rem; }

/* --- Scrollbar ------------------------------------------------------------ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary-lt); }

/* --- Offline banner ------------------------------------------------------- */
.offline-banner {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: #92400e;
  color: #fef3c7;
  padding: .6rem 1.4rem;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 500;
  z-index: 999;
  display: none;
  align-items: center;
  gap: .5rem;
  box-shadow: var(--shadow);
}
.offline-banner.show { display: flex; }

/* --- Animations ----------------------------------------------------------- */
@keyframes fade-in { from { opacity:0; transform: translateY(8px); } to { opacity:1; transform:none; } }
@keyframes spin { to { transform: rotate(360deg); } }
.fade-in { animation: fade-in .35s ease both; }
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 640px) {
  .hide-mobile { display: none !important; }
  .btn { padding: .5rem .9rem; }
  .mobile-menu-btn { display: block; }
}