/*
 * Compra Inteligente - Sistema de Diseño CSS
 * Basado en Montserrat y los lineamientos de Jana Farmacia
 */

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

:root {
  --ci-primary: #71bf45;
  --ci-primary-hover: #5ea637;
  --ci-accent: #ffc12b;
  --ci-accent-hover: #e5ab20;
  --ci-bg-dark: #0f172a;
  --ci-bg-light: #f8fafc;
  --ci-border: #e2e8f0;
  --ci-text-main: #1e293b;
  --ci-text-muted: #64748b;
  --ci-white: #ffffff;
  --ci-error: #ef4444;
  --ci-success: #22c55e;
  --ci-warning: #f59e0b;

  --ci-font-sans: 'Montserrat', sans-serif;
  --ci-radius-sm: 6px;
  --ci-radius-base: 10px;

  --ci-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --ci-shadow-base: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --ci-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: var(--ci-font-sans);
  background-color: var(--ci-bg-light);
  color: var(--ci-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* =========================================
   HEADER
   ========================================= */
.ci-header {
  background-color: var(--ci-white);
  border-bottom: 1px solid var(--ci-border);
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  box-shadow: var(--ci-shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.ci-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: var(--ci-text-main);
  font-size: 1.1rem;
  white-space: nowrap;
}

.ci-logo-icon {
  background-color: var(--ci-primary);
  color: var(--ci-white);
  width: 34px;
  height: 34px;
  border-radius: var(--ci-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px rgba(113, 191, 69, 0.3);
  flex-shrink: 0;
}

.ci-logo-green { color: var(--ci-primary); }

/* Navigation tabs */
.ci-app-nav {
  display: flex;
  gap: 0.25rem;
  flex: 1;
}

.ci-tab-btn {
  background: none;
  border: none;
  font-family: var(--ci-font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ci-text-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--ci-radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.ci-tab-btn:hover { background-color: rgba(113,191,69,0.08); color: var(--ci-primary); }
.ci-tab-btn.active { background-color: rgba(113,191,69,0.12); color: var(--ci-primary); }

/* Header right */
.ci-header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
  white-space: nowrap;
}

.ci-user-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ci-text-main);
}

.ci-server-status {
  font-size: 0.78rem;
  color: var(--ci-text-muted);
}

/* =========================================
   MAIN
   ========================================= */
.ci-main {
  flex: 1;
  padding: 1.75rem 2rem;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* =========================================
   AUTH / LOGIN
   ========================================= */
.ci-auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 3rem 2rem;
}

.ci-auth-card {
  background: var(--ci-white);
  border: 1px solid var(--ci-border);
  border-radius: var(--ci-radius-base);
  box-shadow: var(--ci-shadow-lg);
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.ci-auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ci-primary) 0%, var(--ci-accent) 100%);
}

.ci-auth-header { text-align: center; margin-bottom: 2rem; }
.ci-auth-title { font-size: 1.5rem; font-weight: 700; margin-top: 0.5rem; }
.ci-auth-subtitle { font-size: 0.85rem; color: var(--ci-text-muted); margin-top: 0.25rem; }

/* =========================================
   CARDS
   ========================================= */
.ci-card {
  background: var(--ci-white);
  border: 1px solid var(--ci-border);
  border-radius: var(--ci-radius-base);
  box-shadow: var(--ci-shadow-sm);
  padding: 1.5rem;
}

.ci-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.ci-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ci-text-main);
  margin-bottom: 1rem;
}

/* =========================================
   SEARCH (UH4.1)
   ========================================= */
.ci-search-card { padding-bottom: 1.25rem; }

.ci-search-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.ci-input-sku {
  flex: 1;
  max-width: 360px;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ci-search-hint {
  font-size: 0.8rem;
  color: var(--ci-text-muted);
  margin-top: 0.5rem;
}

/* =========================================
   PRODUCT CARD
   ========================================= */
.ci-product-card { border-left: 4px solid var(--ci-primary); }

.ci-product-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.ci-product-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0.35rem 0 0.25rem;
}

.ci-product-desc { font-size: 0.85rem; color: var(--ci-text-muted); }

.ci-sku-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background-color: rgba(113,191,69,0.12);
  color: var(--ci-primary-hover);
  padding: 0.2rem 0.6rem;
  border-radius: var(--ci-radius-sm);
  text-transform: uppercase;
}

.ci-unidad-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ci-text-muted);
  background-color: var(--ci-bg-light);
  border: 1px solid var(--ci-border);
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  white-space: nowrap;
}

/* =========================================
   PRICE COMPARISON (UH4.2)
   ========================================= */
.ci-compare-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.ci-compare-header .ci-section-title { margin-bottom: 0; }

.ci-qty-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ci-qty-row .ci-label { margin-bottom: 0; font-size: 0.82rem; }

.ci-input-qty {
  width: 80px;
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.ci-compare-note {
  font-size: 0.78rem;
  color: var(--ci-text-muted);
  margin-top: 0.75rem;
  text-align: right;
}

/* =========================================
   TABLES
   ========================================= */
.ci-table-wrap { overflow-x: auto; }

.ci-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.ci-table th {
  background-color: var(--ci-bg-light);
  border-bottom: 2px solid var(--ci-border);
  padding: 0.7rem 1rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ci-text-muted);
  text-align: left;
  white-space: nowrap;
}

.ci-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--ci-border);
  color: var(--ci-text-main);
  vertical-align: middle;
}

.ci-table tr:last-child td { border-bottom: none; }
.ci-table tr:hover td { background-color: rgba(113,191,69,0.04); }

/* Best price row */
.ci-best-price td { background-color: rgba(113,191,69,0.06); }
.ci-best-price td:first-child { border-left: 3px solid var(--ci-primary); }

.ci-best-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  background-color: var(--ci-primary);
  color: var(--ci-white);
  padding: 0.15rem 0.45rem;
  border-radius: 99px;
  margin-left: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ci-price-unit {
  font-weight: 700;
  font-size: 0.95rem;
}

.ci-price-total {
  font-weight: 700;
  color: var(--ci-primary-hover);
  font-size: 1rem;
}

.ci-text-right { text-align: right; }
.ci-text-center { text-align: center; }

.ci-table-empty {
  text-align: center;
  color: var(--ci-text-muted);
  padding: 2rem 1rem;
  font-style: italic;
}

/* =========================================
   BADGES
   ========================================= */
.ci-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ci-badge-green { background-color: #dcfce7; color: #166534; }
.ci-badge-gray  { background-color: #f1f5f9; color: #475569; }
.ci-badge-red   { background-color: #fee2e2; color: #991b1b; }
.ci-badge-amber { background-color: #fef3c7; color: #92400e; }
.ci-badge-blue  { background-color: #dbeafe; color: #1e40af; }

.ci-role-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 99px;
}

/* =========================================
   FORMS
   ========================================= */
.ci-form-group { margin-bottom: 1.25rem; }

.ci-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ci-text-main);
  margin-bottom: 0.4rem;
}

.ci-input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--ci-border);
  border-radius: var(--ci-radius-sm);
  font-family: var(--ci-font-sans);
  font-size: 0.9rem;
  color: var(--ci-text-main);
  background-color: var(--ci-white);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ci-input:focus {
  outline: none;
  border-color: var(--ci-primary);
  box-shadow: 0 0 0 3px rgba(113, 191, 69, 0.15);
}

.ci-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--ci-text-muted);
  margin-top: 0.3rem;
}

/* =========================================
   BUTTONS
   ========================================= */
.ci-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.35rem;
  font-family: var(--ci-font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--ci-radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.ci-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }

.ci-btn-primary {
  background-color: var(--ci-primary);
  color: var(--ci-white);
  box-shadow: 0 2px 8px rgba(113, 191, 69, 0.25);
}
.ci-btn-primary:hover:not(:disabled) {
  background-color: var(--ci-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(113, 191, 69, 0.35);
}

.ci-btn-ghost {
  background-color: transparent;
  color: var(--ci-text-muted);
  border: 1px solid var(--ci-border);
}
.ci-btn-ghost:hover:not(:disabled) { background-color: var(--ci-bg-light); color: var(--ci-text-main); }

.ci-btn-danger { background-color: #fef2f2; color: var(--ci-error); border: 1px solid #fee2e2; }
.ci-btn-danger:hover:not(:disabled) { background-color: #fee2e2; }

.ci-btn-sm { padding: 0.35rem 0.75rem; font-size: 0.78rem; }
.ci-btn-block { width: 100%; }

.ci-btn-icon {
  background: none;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  color: var(--ci-text-muted);
  padding: 0.25rem;
  border-radius: var(--ci-radius-sm);
  transition: all 0.2s;
}
.ci-btn-icon:hover { background-color: var(--ci-bg-light); color: var(--ci-text-main); }

/* =========================================
   ALERTS
   ========================================= */
.ci-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--ci-radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.ci-alert-danger  { background-color: #fef2f2; border: 1px solid #fee2e2; color: var(--ci-error); }
.ci-alert-success { background-color: #f0fdf4; border: 1px solid #dcfce7; color: #166534; }
.ci-alert-warning { background-color: #fffbeb; border: 1px solid #fde68a; color: #92400e; }

/* =========================================
   MODAL
   ========================================= */
.ci-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.5);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.ci-modal {
  background: var(--ci-white);
  border-radius: var(--ci-radius-base);
  box-shadow: var(--ci-shadow-lg);
  width: 100%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
}

.ci-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--ci-border);
}

.ci-modal-header h3 { font-size: 1rem; font-weight: 700; }

.ci-modal-body { padding: 1.5rem; }

.ci-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--ci-border);
}

/* =========================================
   FOOTER
   ========================================= */
.ci-footer {
  background-color: var(--ci-white);
  border-top: 1px solid var(--ci-border);
  padding: 1rem 2rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--ci-text-muted);
  margin-top: auto;
}

/* =========================================
   UTILITIES
   ========================================= */
.ci-hidden { display: none !important; }
.ci-mt-1 { margin-top: 0.25rem; }
.ci-mt-2 { margin-top: 0.5rem; }