/* ==========================================================================
   Nunno Sales CRM - Global Stylesheet (Mobile-First, Sleek Dark Obsidian Theme)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-main: #07060d;
  --bg-surface: #0e0c18;
  --bg-card: #131022;
  --bg-card-hover: #19152e;
  --bg-input: #0a0914;

  --border-subtle: rgba(139, 92, 246, 0.15);
  --border-glow: rgba(139, 92, 246, 0.35);
  --border-active: #8b5cf6;

  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --primary-glow: rgba(99, 102, 241, 0.25);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-emerald: #10b981;
  --accent-cyan: #06b6d4;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-violet: #8b5cf6;
  --accent-gold: #fbbf24;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-subtle);
  --shadow-glow: 0 0 25px -5px rgba(99, 102, 241, 0.3);

  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', var(--font-main);
  --font-mono: 'Fira Code', monospace;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  min-height: 100%;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle background illumination glow */
body::before {
  content: '';
  position: fixed;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.05) 50%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mono {
  font-family: var(--font-mono);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(14, 12, 24, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.logo-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.user-badge strong {
  color: #fff;
}

/* ==========================================================================
   Container & Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.25rem 5rem;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Metrics Grid
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.1rem 1rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.stat-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-gradient);
  opacity: 0.8;
}

.stat-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.stat-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.stat-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   Filter & Action Bar
   ========================================================================== */
.action-bar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .action-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.search-wrap {
  position: relative;
  flex: 1;
}

.search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: #fff;
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
  background: var(--bg-surface);
}

.search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  -webkit-overflow-scrolling: touch;
}

.filter-select {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.filter-select:focus {
  border-color: var(--border-active);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
}

.btn-sm {
  padding: 0.45rem 0.8rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Action button variants */
.btn-whatsapp {
  background: rgba(37, 211, 102, 0.15);
  color: #25d366;
  border: 1px solid rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #25d366;
  color: #000;
}

.btn-gmail {
  background: rgba(234, 67, 53, 0.15);
  color: #ea4335;
  border: 1px solid rgba(234, 67, 53, 0.3);
}

.btn-gmail:hover {
  background: #ea4335;
  color: #fff;
}

.btn-phone {
  background: rgba(6, 182, 212, 0.15);
  color: #06b6d4;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.btn-phone:hover {
  background: #06b6d4;
  color: #000;
}

/* Floating Action Button (Mobile) */
.fab-add {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
  z-index: 35;
  cursor: pointer;
  transition: transform var(--transition-fast);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.fab-add:hover, .fab-add:active {
  transform: scale(1.08);
}

@media (min-width: 768px) {
  .fab-add {
    display: none;
  }
}

/* ==========================================================================
   Lead Cards (Mobile-first card display)
   ========================================================================== */
.leads-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.lead-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.lead-card:hover {
  border-color: var(--border-glow);
}

.lead-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}

.lead-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lead-rep-tag {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 500;
}

.lead-badges {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

/* Status Badges */
.badge-new {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.badge-contacted {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-demo_given {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge-interested {
  background: rgba(6, 182, 212, 0.15);
  color: #22d3ee;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-won {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-lost {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

/* Plan Badges */
.badge-plan-starter {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-plan-pro {
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.4);
}

.badge-plan-whale {
  background: rgba(251, 191, 36, 0.2);
  color: #fcd34d;
  border: 1px solid rgba(251, 191, 36, 0.4);
}

.badge-plan-free {
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.lead-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

@media (min-width: 640px) {
  .lead-info-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.lead-info-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lead-info-item svg {
  color: var(--text-dim);
  flex-shrink: 0;
}

.lead-notes {
  background: rgba(0, 0, 0, 0.3);
  border-left: 2px solid var(--accent-violet);
  padding: 0.5rem 0.75rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.82rem;
  color: #cbd5e1;
  margin-bottom: 0.85rem;
}

.lead-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  gap: 0.5rem;
  flex-wrap: wrap;
}

.lead-actions-direct {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.lead-date {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 3, 8, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), var(--shadow-glow);
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

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

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.modal-close {
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: #fff;
}

.modal-body {
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1.1rem;
}

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

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 480px) {
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

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

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 90%;
  max-width: 400px;
  pointer-events: none;
}

.toast {
  background: rgba(19, 16, 34, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glow);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  pointer-events: auto;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.toast.toast-error {
  border-color: rgba(244, 63, 94, 0.5);
  background: rgba(30, 10, 18, 0.95);
}

.toast.toast-success {
  border-color: rgba(16, 185, 129, 0.5);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Tabs (for Admin Dashboard)
   ========================================================================== */
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover {
  color: #fff;
}

.tab-btn.active {
  color: #fff;
  border-bottom-color: var(--accent-violet);
}

/* ==========================================================================
   Table view (Desktop fallback)
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
}

tr:hover td {
  background: rgba(139, 92, 246, 0.03);
  color: #fff;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
}

.empty-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  color: var(--text-dim);
  opacity: 0.6;
}

.empty-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}

.empty-sub {
  color: var(--text-dim);
  font-size: 0.88rem;
  max-width: 380px;
  margin: 0 auto 1.25rem;
}