styles.css

/* DocuTrace Premium Theme */
/* Custom CSS for Streamlit Premium UI */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap");

/* === ROOT VARIABLES === */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --accent: #f59e0b;
  --accent-glow: #fbbf24;
  --bg-dark: #0a0a1a;
  --bg-gradient-1: #0f0f23;
  --bg-gradient-2: #1a1a2e;
  --surface: rgba(30, 30, 60, 0.6);
  --surface-hover: rgba(40, 40, 80, 0.8);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.15);
  --warning: #f59e0b;
  --info: #3b82f6;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* === BASE STYLES === */
.stApp {
  background: linear-gradient(
    135deg,
    var(--bg-dark) 0%,
    var(--bg-gradient-1) 50%,
    var(--bg-gradient-2) 100%
  ) !important;
  background-attachment: fixed !important;
}

.stApp::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(
      ellipse at 20% 20%,
      rgba(99, 102, 241, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 80% 80%,
      rgba(245, 158, 11, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 50% 50%,
      rgba(139, 92, 246, 0.08) 0%,
      transparent 60%
    );
  pointer-events: none;
  z-index: -1;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6,
.stMarkdown h1,
.stMarkdown h2,
.stMarkdown h3 {
  font-family: "Outfit", sans-serif !important;
  color: var(--text-primary) !important;
  font-weight: 600 !important;
}

p,
span,
div,
label,
.stMarkdown p {
  font-family: "Inter", sans-serif !important;
  color: var(--text-secondary) !important;
}

code,
pre,
.stCode {
  font-family: "JetBrains Mono", monospace !important;
}

/* === CUSTOM SCROLLBAR === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-gradient-1);
  border-radius: 4px;
}

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

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

/* === SIDEBAR === */
section[data-testid="stSidebar"] {
  background: linear-gradient(
    180deg,
    rgba(15, 15, 35, 0.95) 0%,
    rgba(20, 20, 50, 0.98) 100%
  ) !important;
  border-right: 1px solid var(--glass-border) !important;
  backdrop-filter: blur(20px) !important;
}

section[data-testid="stSidebar"] > div {
  padding: 2rem 1.5rem !important;
}

section[data-testid="stSidebar"] .stMarkdown h2,
section[data-testid="stSidebar"] .stMarkdown h3 {
  color: var(--text-primary) !important;
  font-size: 1.1rem !important;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

/* === BUTTONS === */
.stButton > button {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  ) !important;
  color: white !important;
  border: none !important;
  border-radius: var(--border-radius) !important;
  padding: 0.75rem 2rem !important;
  font-family: "Inter", sans-serif !important;
  font-weight: 600 !important;
  font-size: 1rem !important;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-md), var(--shadow-glow) !important;
  transition: all var(--transition-normal) !important;
  position: relative;
  overflow: hidden;
}

.stButton > button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.stButton > button:hover::before {
  left: 100%;
}

.stButton > button:hover {
  transform: translateY(-2px) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 60px rgba(99, 102, 241, 0.4) !important;
}

.stButton > button:active {
  transform: translateY(0) !important;
}

/* Primary button variant */
.stButton > button[kind="primary"] {
  background: linear-gradient(
    135deg,
    var(--accent) 0%,
    #d97706 100%
  ) !important;
  box-shadow:
    var(--shadow-md),
    0 0 40px rgba(245, 158, 11, 0.3) !important;
}

.stButton > button[kind="primary"]:hover {
  box-shadow:
    var(--shadow-lg),
    0 0 60px rgba(245, 158, 11, 0.5) !important;
}

/* === FILE UPLOADER === */
section[data-testid="stFileUploader"] {
  background: var(--surface) !important;
  border: 2px dashed var(--glass-border) !important;
  border-radius: var(--border-radius) !important;
  padding: 2rem !important;
  transition: all var(--transition-normal) !important;
}

section[data-testid="stFileUploader"]:hover {
  border-color: var(--primary) !important;
  background: var(--surface-hover) !important;
  box-shadow: var(--shadow-glow) !important;
}

section[data-testid="stFileUploader"] label {
  color: var(--text-primary) !important;
  font-weight: 500 !important;
}

/* === TEXT INPUTS === */
.stTextInput > div > div {
  background: var(--surface) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--border-radius-sm) !important;
  transition: all var(--transition-fast) !important;
}

.stTextInput > div > div:focus-within {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2) !important;
}

.stTextInput input {
  color: var(--text-primary) !important;
  font-family: "Inter", sans-serif !important;
}

.stTextInput input::placeholder {
  color: var(--text-muted) !important;
}

/* === SELECT BOXES === */
.stSelectbox > div > div {
  background: var(--surface) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--border-radius-sm) !important;
}

.stSelectbox [data-baseweb="select"] {
  background: transparent !important;
}

.stSelectbox [data-baseweb="select"] > div {
  background: var(--surface) !important;
  border-color: var(--glass-border) !important;
}

/* === ALERTS & INFO BOXES === */
.stAlert {
  background: var(--surface) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--border-radius) !important;
  backdrop-filter: blur(10px) !important;
}

div[data-testid="stNotification"] {
  background: var(--surface) !important;
  border-left: 4px solid var(--primary) !important;
  border-radius: var(--border-radius-sm) !important;
}

.stSuccess {
  background: var(--success-bg) !important;
  border-color: var(--success) !important;
}

.stError {
  background: var(--error-bg) !important;
  border-color: var(--error) !important;
}

/* === EXPANDER === */
.streamlit-expanderHeader {
  background: var(--surface) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--border-radius-sm) !important;
  color: var(--text-primary) !important;
  font-weight: 500 !important;
}

/* === DIVIDER === */
.stDivider {
  border-color: var(--glass-border) !important;
}

hr {
  border-color: var(--glass-border) !important;
  opacity: 0.5;
}

/* === STATUS WIDGET === */
div[data-testid="stStatusWidget"] {
  background: var(--surface) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--border-radius) !important;
  backdrop-filter: blur(10px) !important;
}

/* === SPINNER === */
.stSpinner > div {
  border-color: var(--primary) transparent transparent transparent !important;
}

/* === CHAT MESSAGE STYLES === */
.chat-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 0;
}

.chat-message {
  display: flex;
  gap: 0.75rem;
  animation: fadeInUp 0.3s ease;
}

.chat-message.user {
  flex-direction: row-reverse;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.chat-avatar.user {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
}

.chat-avatar.assistant {
  background: linear-gradient(135deg, var(--accent) 0%, #d97706 100%);
}

.chat-bubble {
  max-width: 80%;
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius);
  line-height: 1.6;
}

.chat-bubble.user {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  color: white;
  border-bottom-right-radius: 4px;
}

.chat-bubble.assistant {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
  backdrop-filter: blur(10px);
}

/* === RESULT CARDS === */
.result-card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  animation: fadeInUp 0.4s ease;
}

.result-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.result-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--glass-border);
}

.result-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  font-size: 1.1rem;
}

.result-card-title {
  font-family: "Outfit", sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.result-card-content {
  color: var(--text-secondary);
  line-height: 1.7;
}

.evidence-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--success-bg);
  color: var(--success);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-top: 0.75rem;
}

/* === HERO SECTION === */
.hero-section {
  text-align: center;
  padding: 3rem 2rem;
  margin-bottom: 2rem;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent,
    var(--primary),
    transparent,
    var(--accent),
    transparent
  );
  animation: rotate 20s linear infinite;
  opacity: 0.1;
}

.hero-title {
  font-family: "Outfit", sans-serif;
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(
    135deg,
    var(--text-primary) 0%,
    var(--primary-light) 50%,
    var(--accent) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--success-bg);
  color: var(--success);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 1rem;
  position: relative;
  z-index: 1;
}

/* === STATS BAR === */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-family: "Outfit", sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-light);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.loading-shimmer {
  background: linear-gradient(
    90deg,
    var(--surface) 25%,
    var(--surface-hover) 50%,
    var(--surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* === TYPING INDICATOR === */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 1rem;
}

.typing-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 1s infinite;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

/* === GLASSMORPHISM CARD === */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}

/* === METRIC DISPLAY === */
.metric-container {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 1.25rem;
  text-align: center;
  transition: all var(--transition-normal);
}

.metric-container:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.metric-value {
  font-family: "Outfit", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-light);
}

.metric-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* === HIDE STREAMLIT BRANDING === */
#MainMenu {
  visibility: hidden;
}
footer {
  visibility: hidden;
}
header {
  visibility: hidden;
}