/* =============================
   CAMPUS AI - THEME: PRO MONOCHROME GLASS
   High-end glass effect on a sophisticated grayish-black background.
   ============================= */
:root {
  /* --- New Background Palette (Grayish Black) --- */
  --bg-main: #121212; /* Near pure black */
  --bg-secondary: #1e1e24; /* A subtle rich charcoal gray */

  /* Refined Glass Surfaces */
  /* Kept slightly cool-tinted for contrast against the warm gray background */
  --glass-surface: rgba(35, 35, 45, 0.5);
  --glass-blur: blur(20px);

  /* Advanced Lighting Borders - Key for depth */
  /* A faint white light on top edge, faint dark shadow on bottom */
  --glass-edge-highlight: inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
  --glass-edge-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.4);
  --border-faint: 1px solid rgba(255, 255, 255, 0.05);

  /* Vibrant accents pop more against the monochrome background */
  --accent-grad: linear-gradient(135deg, #7C3AED, #3B82F6);
  --accent-glow: 0 4px 15px -3px rgba(124, 58, 237, 0.6);

  --text-bright: #ffffff;
  --text-muted: #a1a1aa; /* Neutral zinc gray text */
  --radius-xl: 24px;
  --radius-md: 18px;
}

html, body {
  margin: 0; padding: 0; height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  /* New subtle grayish-black gradient background */
  background: linear-gradient(to bottom right, var(--bg-secondary), var(--bg-main));
  color: var(--text-bright);
  display: block;
}

/* Main container */
.ai-app {
  width: 94%; max-width: 850px; margin: 0 auto;
  height: 100vh; display: flex; flex-direction: column;
  padding: 15px 0; box-sizing: border-box; gap: 12px;
}


/* ---------- HEADER ---------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between; /* <-- THIS FIXES IT */
  padding: 14px 24px;
  border-radius: var(--radius-xl);
  background: var(--glass-surface);
  backdrop-filter: var(--glass-blur);
  border-top: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(0,0,0,0.3);
  box-shadow: var(--glass-edge-shadow);
}


.app-logo {
  width: 46px; height: 46px; border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.app-header h1 {
    margin: 0; font-size: 17px; font-weight: 600;
    letter-spacing: -0.3px;
}
.app-header p {
    margin: 2px 0 0 0; font-size: 12px; color: var(--text-muted);
    font-weight: 500; letter-spacing: 0.5px; text-transform: uppercase;
}

.clear-btn {
  margin-left: auto; padding: 8px 16px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted); border: var(--border-faint);
  border-radius: 30px; cursor: pointer; transition: 0.3s all ease;
  font-size: 12px; font-weight: 600;
}
.clear-btn:hover {
    background: rgba(255, 255, 255, 0.15); color: white;
    box-shadow: 0 2px 8px rgba(255,255,255,0.1);
}


/* ---------- CHAT AREA ---------- */
.chat-area {
  flex: 1; padding: 10px 20px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 16px;
  scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.row { display: flex; max-width: 85%; animation: fadeUp 0.3s ease;}
@keyframes fadeUp { from {opacity: 0; transform: translateY(10px);} to {opacity: 1; transform: translateY(0);}}

.row.user { align-self: flex-end; justify-content: flex-end; }
.row.bot { align-self: flex-start; }

.bubble {
  padding: 14px 18px; border-radius: var(--radius-md);
  font-size: 15px; line-height: 1.5;
}

/* Rich User Bubble */
.bubble.user {
  background: var(--accent-grad);
  color: white; border: none;
  border-bottom-right-radius: 4px;
  box-shadow: var(--accent-glow);
}

/* Frosted Bot Bubble */
.bubble.bot {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  color: var(--text-bright);
  border: var(--border-faint);
  /* Subtle highlight on top edge of bubble */
  box-shadow: inset 0 1px 0 0 rgba(255,255,255,0.05);
  border-bottom-left-radius: 4px;
}

.meta { margin-top: 6px; font-size: 11px; color: var(--text-muted); opacity: 0.8;}
.row.user .meta { text-align: right; }
.typing-dots span { background: #7C3AED; }


/* ---------- FOOTER ---------- */
.app-footer {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; border-radius: var(--radius-xl);
  background: var(--glass-surface);
  backdrop-filter: blur(25px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--glass-edge-shadow);
}

/* Recessed Input Field */
#msg {
  flex: 1; padding: 14px 20px;
  border-radius: 30px;
  /* Darker inner tint for contrast against the new background */
  background: rgba(0, 0, 0, 0.3);
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.4);
  border: var(--border-faint);
  color: white; outline: none; font-size: 15px; transition: 0.3s;
}
#msg:focus {
    background: rgba(0,0,0,0.5);
    border-color: rgba(124, 58, 237, 0.6);
}
#msg::placeholder { color: rgba(255,255,255,0.3); }

.icon-btn, .send-btn {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; justify-content: center; align-items: center;
  border: none; cursor: pointer; transition: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.icon-btn {
    background: rgba(255,255,255,0.05); color: #a78bfa; font-size: 20px;
    
    border: var(--border-faint);
}

.icon-btn:hover { background: rgba(255,255,255,0.1); color: white; transform: scale(1.05);}

.send-btn {
  background: var(--accent-grad); color: white; font-size: 18px;
  box-shadow: var(--accent-glow);
  padding-left: 4px;
}
.send-btn:hover { transform: scale(1.05) translateY(-2px); box-shadow: 0 6px 20px rgba(124, 58, 237, 0.7);}
.send-btn:active { transform: scale(0.95); }

/* ---------- MOBILE ---------- */
@media (max-width: 720px) {
  .ai-app { padding: 10px; gap: 10px; }
  .app-header { padding: 12px 16px; border-radius: 18px; gap: 12px;}
  .app-logo { width: 40px; height: 40px; }
  .chat-area { padding: 10px 15px; }
  .app-footer { border-radius: 18px; padding: 10px;}
  .bubble { padding: 12px 16px; font-size: 14px; }
  .icon-btn, .send-btn { width: 44px; height: 44px; }
  #msg { padding: 12px 16px; }
}
/* =============================
   LOADING SCREEN COMPONENT
   ============================= */

/* 1. The Full Screen Overlay (Centers the loader) */
#loading-screen {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: var(--bg-main); /* Matches your dark theme bg */
  z-index: 9999; /* Sits on top of everything */
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease, visibility 0.5s;
}

/* 2. Your Loader Wrapper */
.loader-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 180px;
  height: 180px;
  font-family: "Inter", sans-serif;
  font-size: 1.2em;
  font-weight: 300;
  color: white;
  border-radius: 50%;
  background-color: transparent;
  user-select: none;
}

/* 3. The Rotating Ring */
.loader {
  position: absolute;
  top: 0; left: 0; width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background-color: transparent;
  animation: loader-rotate 2s linear infinite;
  z-index: 0;
}

/* 4. Animation Colors (Updated to match Pro Theme) */
@keyframes loader-rotate {
  0% {
    transform: rotate(90deg);
    box-shadow:
      0 10px 20px 0 rgba(255,255,255,0.1) inset,
      0 20px 30px 0 #7C3AED inset, /* Violet */
      0 60px 60px 0 #1e1e24 inset; /* Dark Gray */
  }
  50% {
    transform: rotate(270deg);
    box-shadow:
      0 10px 20px 0 rgba(255,255,255,0.1) inset,
      0 20px 10px 0 #3B82F6 inset, /* Blue */
      0 40px 60px 0 #121212 inset; /* Black */
  }
  100% {
    transform: rotate(450deg);
    box-shadow:
      0 10px 20px 0 rgba(255,255,255,0.1) inset,
      0 20px 30px 0 #7C3AED inset, /* Violet */
      0 60px 60px 0 #1e1e24 inset;
  }
}

/* 5. The Letters */
.loader-letter {
  display: inline-block;
  opacity: 0.4;
  animation: loader-letter-anim 2s infinite;
  z-index: 1;
}

/* Stagger delays for "CAMPUS AI" (8 letters + space) */
.loader-letter:nth-child(1) { animation-delay: 0s; }
.loader-letter:nth-child(2) { animation-delay: 0.1s; }
.loader-letter:nth-child(3) { animation-delay: 0.2s; }
.loader-letter:nth-child(4) { animation-delay: 0.3s; }
.loader-letter:nth-child(5) { animation-delay: 0.4s; }
.loader-letter:nth-child(6) { animation-delay: 0.5s; }
.loader-letter:nth-child(7) { animation-delay: 0.6s; }
.loader-letter:nth-child(8) { animation-delay: 0.7s; }
.loader-letter:nth-child(9) { animation-delay: 0.8s; }

@keyframes loader-letter-anim {
  0%, 100% { opacity: 0.4; transform: translateY(0); }
  20% { opacity: 1; transform: scale(1.15); text-shadow: 0 0 10px rgba(255,255,255,0.5); }
  40% { opacity: 0.7; transform: translateY(0); }
}

/* Utility to hide it via JS */
.hidden-loader {
    opacity: 0;
    visibility: hidden;
}

/* =============================
   FANCY GLOWING INPUT (Adapted)
   ============================= */

/* Wrapper for the input to control flex sizing */
#poda {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex: 1; /* This makes it stretch to fill the footer */
  margin-right: 65px; /* Space between input and buttons */
 
}

/* The actual input field */
.input {
  background-color: transparent; /* Transparent so we see the glow behind */
  border: none;
  width: 100%;
  height: 56px;
  border-radius: 10px;
  color: white;
  padding-left: 50px; /* Space for search icon */
  margin-right:110px;
  font-size: 15px;
  z-index: 10;
  position: relative;
}

.input::placeholder { color: #6b7280; }
.input:focus { outline: none; }

/* --- The Layers (Glows & Borders) --- */
/* Set width to 100% so it fits your chat footer */
.white, .border, .darkBorderBg, .glow {
  max-height: 70px;
  max-width: 100%;
  height: 100%;
  width: 100%;
  position: absolute;
  overflow: hidden;
  z-index: -1;
  border-radius: 12px;
  filter: blur(3px);
}

.fancy-input-wrapper {
  position: relative;
  width: 100%;
  z-index: 2;
}

#search-icon {
  position: absolute;
  left: 15px;
  top: 16px;
  z-index: 20;
  pointer-events: none;
}

/* --- Animation Gradients (Updated to Violet/Blue) --- */

/* 1. The White/Light Layer */
.white {
  max-height: 63px;
  max-width: 99%;
  border-radius: 10px;
  filter: blur(2px);
}
.white::before {
  content: "";
  z-index: -2;
  text-align: center;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(83deg);
  position: absolute;
  width: 1000px; /* Increased size for responsiveness */
  height: 1000px;
  background-repeat: no-repeat;
  background-position: 0 0;
  filter: brightness(1.4);
  background-image: conic-gradient(
    rgba(0,0,0,0) 0%,
    #a099d8,
    rgba(0,0,0,0) 8%,
    rgba(0,0,0,0) 50%,
    #7C3AED, /* Changed from Pink to Violet */
    rgba(0,0,0,0) 58%
  );
  transition: all 2s;
}

/* 2. The Border Layer */
.border {
  max-height: 59px;
  max-width: 99%;
  border-radius: 11px;
  filter: blur(0.5px);
}
.border::before {
  content: "";
  z-index: -2;
  text-align: center;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(70deg);
  position: absolute;
  width: 1000px;
  height: 1000px;
  filter: brightness(1.3);
  background-repeat: no-repeat;
  background-position: 0 0;
  background-image: conic-gradient(
    #1c191c,
    #3B82F6 5%, /* Blue */
    #1c191c 14%,
    #1c191c 50%,
    #7C3AED 60%, /* Violet */
    #1c191c 64%
  );
  transition: all 2s;
}

/* 3. The Dark Background Layer */
.darkBorderBg { max-height: 65px; max-width: 99%; }
.darkBorderBg::before {
  content: "";
  z-index: -2;
  text-align: center;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(82deg);
  position: absolute;
  width: 1000px;
  height: 1000px;
  background-repeat: no-repeat;
  background-position: 0 0;
  background-image: conic-gradient(
    rgba(0,0,0,0),
    #18116a,
    rgba(0,0,0,0) 10%,
    rgba(0,0,0,0) 50%,
    #6e1b60,
    rgba(0,0,0,0) 60%
  );
  transition: all 2s;
}

/* 4. The Outer Glow */
.glow {
  overflow: hidden;
  filter: blur(30px);
  opacity: 0.4;
  max-height: 130px;
  max-width: 354px;
}
.glow:before {
  content: "";
  z-index: -2;
  text-align: center;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(60deg);
  position: absolute;
  width: 1000px;
  height: 1000px;
  background-repeat: no-repeat;
  background-position: 0 0;
  background-image: conic-gradient(
    #000,
    #3B82F6 5%, /* Blue */
    #000 38%,
    #000 50%,
    #7C3AED 60%, /* Violet */
    #000 87%
  );
  transition: all 2s;
}

/* --- Hover Animations --- */
#poda:hover > .darkBorderBg::before { transform: translate(-50%, -50%) rotate(262deg); }
#poda:hover > .glow::before { transform: translate(-50%, -50%) rotate(240deg); }
#poda:hover > .white::before { transform: translate(-50%, -50%) rotate(263deg); }
#poda:hover > .border::before { transform: translate(-50%, -50%) rotate(250deg); }

/* --- Focus Animations --- */
#poda:focus-within > .darkBorderBg::before { transform: translate(-50%, -50%) rotate(442deg); transition: all 4s; }
#poda:focus-within > .glow::before { transform: translate(-50%, -50%) rotate(420deg); transition: all 4s; }
#poda:focus-within > .white::before { transform: translate(-50%, -50%) rotate(443deg); transition: all 4s; }
#poda:focus-within > .border::before { transform: translate(-50%, -50%) rotate(430deg); transition: all 4s; }

/* =============================
   ICON ALIGNMENT FIXES (Add to bottom of style.css)
   ============================= */

/* 1. Fix the Search Icon Position */
#search-icon {
  position: absolute;
  left: 20px;
  top: 50%; /* Moves top edge to middle */
  transform: translateY(-50%); /* Pulls it back up by half its height to center perfectly */
  z-index: 20;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 2. Color the Search Icon Gray (instead of black) */
#search-icon svg {
  stroke: #9ca3af; 
}

/* 3. Make sure the Text doesn't type over the Search Icon */
.input {
  padding-left: 50px !important; /* Forces text to start after the icon */
}

/* 4. Fix the Voice (Microphone) Button */
.icon-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex; /* Flexbox centers the SVG icon */
  justify-content: center;
  align-items: center;
  background: rgba(255, 255, 255, 0.05); /* Subtle glass background */
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #a78bfa; /* Violet color */
  cursor: pointer;
  margin-left: 0; /* Reset margins if any */
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

/* 5. Fix the Send Button Alignment */
.send-btn {
  display: flex; /* Flexbox centers the SVG icon */
  justify-content: center;
  align-items: center;
  padding: 0; /* Remove old padding that offsets the icon */
}

/* ==========================================
   MICROPHONE BUTTON FIX (FINAL WORKING PATCH)
   ========================================== */

.white,
.border,
.darkBorderBg,
.glow {
    pointer-events: none !important;
}

#voice {
  
    position: relative;
    z-index: 9999 !important;
}