/* ===== SIP & Goal Wealth Planner — Modern Design System ===== */

:root {
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;

  /* Color Palette - Light Mode */
  --bg-color: #f1f5f9;
  --bg-gradient: radial-gradient(circle at 50% 0%, #e0e7ff 0%, #f1f5f9 80%);
  --text-main: #0f172a;
  --text-muted: #64748b;
  
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(226, 232, 240, 0.9);
  --glass-shadow: 0 20px 40px rgba(15, 23, 42, 0.06);

  --accent-primary: #4f46e5;
  --accent-secondary: #06b6d4;
  --accent-green: #10b981;
  --accent-gold: #d97706;
  
  --card-bg: #ffffff;
  --input-bg: #f8fafc;
  --input-border: #cbd5e1;
  --table-border: #e2e8f0;
}

[data-theme="dark"] {
  --bg-color: #090d16;
  --bg-gradient: radial-gradient(circle at 50% -10%, #1e1b4b 0%, #090d16 80%);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;

  --glass-bg: rgba(15, 23, 42, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);

  --card-bg: #111827;
  --input-bg: #0f172a;
  --input-border: #1e293b;
  --table-border: #1e293b;
  --accent-gold: #fbbf24;
}

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

body {
  font-family: var(--font-main);
  background: var(--bg-color);
  background-image: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Ambient Background Lights */
.ambient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
}

.orb-1 {
  width: 550px;
  height: 550px;
  background: #6366f1;
  top: -220px;
  left: -120px;
}

.orb-2 {
  width: 480px;
  height: 480px;
  background: #06b6d4;
  top: 35%;
  right: -180px;
}

.orb-3 {
  width: 420px;
  height: 420px;
  background: #10b981;
  bottom: -180px;
  left: 15%;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* Header */
.app-header {
  padding: 16px 0;
  border-bottom: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background 0.3s ease;
}

@media (max-width: 768px) {
  .app-header {
    padding-top: max(env(safe-area-inset-top, 0px), 50px) !important;
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, #6366f1 0%, #10b981 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
  flex-shrink: 0;
}

.brand-title h1 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.gradient-text {
  background: linear-gradient(135deg, #6366f1 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--card-bg);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.icon-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* Main Container & Navigation Tabs */
.main-container {
  padding: 20px 0 50px;
  flex: 1;
}

/* Desktop Navigation Segmented Control */
.planner-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 5px;
  border-radius: 14px;
  backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
}

.tab-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.84rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
}

.tab-btn.active {
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

/* Mobile Dropdown Navigation Wrap */
.mobile-nav-select-wrap {
  display: none;
  position: relative;
  margin-bottom: 20px;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  box-shadow: var(--glass-shadow);
  padding: 3px;
}

.mobile-mode-select {
  width: 100%;
  padding: 11px 40px 11px 40px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  appearance: none;
  -webkit-appearance: none;
  outline: none;
  cursor: pointer;
}

.select-icon-box {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-primary);
  pointer-events: none;
  display: flex;
  align-items: center;
}

.select-arrow-box {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
}

/* Responsive Visibility */
@media (max-width: 767px) {
  .desktop-tabs {
    display: none !important;
  }
  .mobile-nav-select-wrap {
    display: none !important;
  }
}

/* Calculator Views */
.calculator-view {
  display: none;
}

.calculator-view.active {
  display: block;
  animation: fadeIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Planner Grid & Glass Cards */
.planner-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 900px) {
  .planner-grid {
    grid-template-columns: 1fr;
  }
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 22px;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(20px);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.0rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  color: var(--text-main);
}

.card-title i {
  color: var(--accent-primary);
}

/* Input Form Controls */
.input-group {
  margin-bottom: 18px;
}

.input-group:last-child {
  margin-bottom: 0;
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.label-row label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
}

.value-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.12);
  padding: 3px 10px;
  border-radius: 16px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 4px;
  background: var(--input-border);
  outline: none;
  accent-color: var(--accent-primary);
  cursor: pointer;
  margin-bottom: 10px;
  transition: all 0.2s;
}

.number-input-wrap {
  display: flex;
  align-items: center;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  padding: 0 12px;
  transition: all 0.2s;
}

.number-input-wrap:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.number-input-wrap input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 0.92rem;
  font-weight: 700;
  padding: 8px 4px;
  font-family: var(--font-main);
}

.currency-symbol, .unit-symbol {
  font-weight: 700;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.field-hint {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.4;
}

/* Preset Pills */
.preset-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.pill-btn {
  padding: 6px 12px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  background: var(--input-bg);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.pill-btn.active, .pill-btn:hover {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: white;
  border-color: #6366f1;
  box-shadow: 0 3px 10px rgba(79, 70, 229, 0.25);
}

/* Results Card Metrics */
.metric-hero {
  text-align: center;
  padding: 18px 16px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(16, 185, 129, 0.08) 100%);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  margin-bottom: 16px;
}

.hero-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--text-muted);
}

.hero-amount {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--accent-primary);
  margin: 4px 0;
  letter-spacing: -0.02em;
}

.hero-amount.accent-green { color: var(--accent-green); }
.hero-amount.accent-gold { color: var(--accent-gold); }

.hero-exact {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.hero-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

@media (max-width: 600px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

.metric-box {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: transform 0.2s;
}

.metric-box:hover {
  transform: translateY(-2px);
}

.m-title {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
}

.m-val {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
}

.m-exact {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

.box-invested .m-val { color: var(--text-main); }
.box-returns .m-val { color: var(--accent-green); }
.box-multiple .m-val { color: var(--accent-gold); }
.accent-gold { color: var(--accent-gold); }

/* Multiple Badges */
.badge-multiple {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  border: 1px solid rgba(99, 102, 241, 0.2);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.badge-2x {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.25);
}

.badge-5x {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.3);
}

.badge-10x {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(245, 158, 11, 0.18));
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.35);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.15);
  font-weight: 800;
}

/* Visual Progress Bar */
.visual-progress {
  margin-top: 10px;
}

.bar-track {
  height: 10px;
  background: var(--input-bg);
  border-radius: 5px;
  overflow: hidden;
  display: flex;
  margin-bottom: 10px;
}

.bar-fill {
  height: 100%;
  transition: width 0.4s ease;
}

.bar-invested { background: #6366f1; }
.bar-gain { background: #10b981; }

.legend-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot-invested { background: #6366f1; }
.dot-gain { background: #10b981; }

/* Table Section */
.table-section {
  padding: 22px;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.table-title {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.btn-secondary {
  background: var(--input-bg);
  border-color: var(--glass-border);
  color: var(--text-main);
}

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

.table-responsive {
  overflow-x: auto;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.82rem;
}

.schedule-table th, .schedule-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--table-border);
}

.schedule-table th {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--input-bg);
}

.schedule-table tr:hover {
  background: rgba(99, 102, 241, 0.04);
}

/* Footer */
.app-footer {
  padding: 20px 0;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: auto;
}

.footer-note {
  font-size: 0.72rem;
  margin-top: 4px;
  opacity: 0.8;
}

.mobile-menu-btn {
  display: none;
}

/* Mobile Navigation Dropdown Drawer */
.mobile-nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 16px;
  left: 16px;
  background: #12121a !important;
  background-color: #12121a !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  opacity: 1 !important;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 8px;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.7);
  z-index: 99999;
}

[data-theme="light"] .mobile-nav-dropdown {
  background: #ffffff !important;
  background-color: #ffffff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  opacity: 1 !important;
  border: 1px solid #cbd5e1 !important;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.22) !important;
}

.mobile-nav-dropdown.active {
  display: flex;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.2s;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--text-main);
  background: var(--input-bg);
}

[data-theme="light"] .mobile-nav-link {
  color: #334155;
  background: transparent;
}

[data-theme="light"] .mobile-nav-link:hover,
[data-theme="light"] .mobile-nav-link.active {
  color: #0f172a !important;
  background: #f1f5f9 !important;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: inline-flex !important;
  }
}