src/style.css

/* Finance Planning - Custom CSS */
/* Dark Mode + Glassmorphism Theme */

/* Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+TC:wght@300;400;500;700&display=swap");

/* Root Variables */
:root {
  --primary: #f59e0b;
  --secondary: #fbbf24;
  --cta: #8b5cf6;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --border: #334155;
  --income: #10b981;
  --expense: #ef4444;
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

/* Global Styles */
html,
body,
[class*="stApp"] {
  font-family: "Inter", "Noto Sans TC", sans-serif !important;
}

/* Main container */
.stApp {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
}

/* Headers */
h1,
h2,
h3 {
  font-family: "Noto Sans TC", "Inter", sans-serif !important;
  color: var(--text-primary) !important;
  font-weight: 600 !important;
}

h1 {
  background: linear-gradient(
    90deg,
    var(--primary),
    var(--secondary)
  ) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

/* Sidebar */
[data-testid="stSidebar"] {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border-right: 1px solid var(--glass-border) !important;
}

[data-testid="stSidebar"] h1,
[data-testid="stSidebar"] h2,
[data-testid="stSidebar"] h3 {
  color: var(--primary) !important;
  -webkit-text-fill-color: var(--primary) !important;
}

/* Cards / Metric containers */
[data-testid="stMetric"] {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 12px !important;
  padding: 1rem !important;
  transition:
    transform 0.2s ease-out,
    box-shadow 0.2s ease-out !important;
}

[data-testid="stMetric"]:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 32px rgba(245, 158, 11, 0.15) !important;
}

[data-testid="stMetricLabel"] {
  color: var(--text-muted) !important;
  font-size: 0.875rem !important;
}

[data-testid="stMetricValue"] {
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  font-size: 1.5rem !important;
}

/* Tabs */
.stTabs [data-baseweb="tab-list"] {
  gap: 8px !important;
  background: var(--glass-bg) !important;
  padding: 0.5rem !important;
  border-radius: 12px !important;
  border: 1px solid var(--glass-border) !important;
}

.stTabs [data-baseweb="tab"] {
  background: transparent !important;
  color: var(--text-muted) !important;
  border-radius: 8px !important;
  padding: 0.5rem 1rem !important;
  transition: all 0.2s ease-out !important;
}

.stTabs [aria-selected="true"] {
  background: var(--primary) !important;
  color: var(--bg-dark) !important;
  font-weight: 600 !important;
}

/* DataFrames */
[data-testid="stDataFrame"] {
  background: var(--glass-bg) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 12px !important;
  overflow: hidden !important;
}

[data-testid="stDataFrame"] th {
  background: var(--bg-card) !important;
  color: var(--primary) !important;
  font-weight: 600 !important;
}

[data-testid="stDataFrame"] td {
  color: var(--text-primary) !important;
}

/* Buttons */
.stButton > button {
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--secondary)
  ) !important;
  color: var(--bg-dark) !important;
  border: none !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  padding: 0.5rem 1.5rem !important;
  transition:
    transform 0.2s ease-out,
    box-shadow 0.2s ease-out !important;
}

.stButton > button:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3) !important;
}

.stButton > button[kind="primary"] {
  background: linear-gradient(135deg, var(--cta), #a78bfa) !important;
  color: white !important;
}

/* Form inputs */
.stTextInput > div > div > input,
.stNumberInput > div > div > input,
.stSelectbox > div > div > div {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: 8px !important;
  color: var(--text-primary) !important;
}

.stTextInput > div > div > input:focus,
.stNumberInput > div > div > input:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2) !important;
}

/* Dividers */
hr {
  border-color: var(--border) !important;
  opacity: 0.5 !important;
}

/* Plotly charts - transparent background */
.js-plotly-plot .plotly .main-svg {
  background: transparent !important;
}

/* Info/Warning boxes */
.stAlert {
  background: var(--glass-bg) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 12px !important;
  backdrop-filter: blur(10px) !important;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}