@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500;700&family=Outfit:wght@400;600;700;800;900&display=swap');

:root {
  --bg-color: #f7f7f2;
  --panel-bg: #ffffff;
  --border-color: #000000;
  --border-width: 3px;
  --shadow-offset: 5px;
  --shadow-hard: 5px 5px 0px #000000;
  --shadow-hard-hover: 7px 7px 0px #000000;
  --shadow-hard-active: 2px 2px 0px #000000;
  
  /* Neo Brutalism Palette */
  --neo-yellow: #ffe600;
  --neo-purple: #c084fc;
  --neo-cyan: #38bdf8;
  --neo-pink: #ff76c6;
  --neo-green: #4ade80;
  --neo-orange: #ff9900;
  
  --user-bg: #e0e7ff;
  --gemini-bg: #fffdf5;
  --text-main: #000000;
  --text-muted: #4b5563;
}

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

body {
  font-family: 'Space Grotesk', sans-serif;
  background-color: var(--bg-color);
  background-image: radial-gradient(#000000 1px, transparent 1px);
  background-size: 20px 20px;
  color: var(--text-main);
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* App Wrapper */
.app-layout {
  display: flex;
  width: 100%;
  max-width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

/* Base Neo Button */
.btn-neo {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: var(--border-width) solid var(--border-color);
  background: #ffffff;
  color: #000;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 3px 3px 0px #000;
  text-transform: uppercase;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  text-decoration: none;
}

.btn-neo:hover {
  background: var(--neo-yellow);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px #000;
}

.btn-neo:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px #000;
}

.btn-neo.active {
  background: var(--neo-yellow);
  box-shadow: 3px 3px 0px #000;
}

/* Sidebar Neo Brutalism */
.sidebar {
  width: 320px;
  min-width: 320px;
  background: var(--panel-bg);
  border-right: var(--border-width) solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 20px;
  gap: 16px;
  z-index: 10;
  box-shadow: 4px 0px 0px #000000;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--neo-yellow);
  border: var(--border-width) solid var(--border-color);
  box-shadow: var(--shadow-hard);
  border-radius: 8px;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: #000;
  color: #fff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  color: #000;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

.btn-new-chat {
  width: 100%;
  padding: 14px 18px;
  border-radius: 8px;
  border: var(--border-width) solid var(--border-color);
  background: var(--neo-cyan);
  color: #000;
  font-family: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: var(--shadow-hard);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  text-transform: uppercase;
  text-decoration: none;
}

.btn-new-chat:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-hover);
}

.btn-new-chat:active {
  transform: translate(3px, 3px);
  box-shadow: var(--shadow-hard-active);
}

.threads-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #000;
  font-weight: 800;
  margin-top: 4px;
}

.threads-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 4px;
}

.thread-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: #fff;
  border: var(--border-width) solid var(--border-color);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 3px 3px 0px #000;
  transition: transform 0.1s ease, background 0.1s ease;
}

.thread-item:hover {
  background: var(--neo-cyan);
  transform: translate(-1px, -1px);
}

.thread-item.active {
  background: var(--neo-yellow);
  box-shadow: 3px 3px 0px #000;
}

.btn-delete-thread {
  background: none;
  border: none;
  font-size: 14px;
  cursor: pointer;
  opacity: 0.6;
  padding: 2px 6px;
  border-radius: 4px;
}

.btn-delete-thread:hover {
  opacity: 1;
  background: #ff4757;
  color: #fff;
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: var(--border-width) solid var(--border-color);
  padding-top: 16px;
  margin-top: auto;
}

.status-badge, .status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #ffffff;
  border: 2px solid #000;
  box-shadow: 3px 3px 0 #000;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 800;
  color: #000;
  margin-top: 6px;
  transition: all 0.2s ease;
}

.status-badge:hover, .status-indicator:hover {
  background: #f8fafc;
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 #000;
}

.dot, .status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #ef4444;
  border: 2px solid #000;
  flex-shrink: 0;
}

.dot.connected, .status-dot.connected {
  background-color: var(--neo-green, #2ecc71);
  box-shadow: 0 0 6px var(--neo-green, #2ecc71);
  animation: dotPulse 1.5s infinite alternate;
}

@keyframes dotPulse {
  0% { opacity: 0.7; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1.1); }
}

/* Header */
.chat-stage {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg-color);
}

.chat-header {
  height: 72px;
  padding: 0 24px;
  border-bottom: var(--border-width) solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  box-shadow: 0 4px 0px #000;
  z-index: 5;
}

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

.active-chat-title {
  font-size: 18px;
  font-weight: 800;
  color: #000;
  letter-spacing: -0.5px;
}

.model-badge {
  padding: 6px 14px;
  background: var(--neo-pink);
  border: var(--border-width) solid var(--border-color);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 800;
  color: #000;
  box-shadow: 3px 3px 0px #000;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: #ffffff;
  border: var(--border-width) solid var(--border-color);
  border-radius: 8px;
  box-shadow: 3px 3px 0px #000;
  font-size: 12px;
  font-weight: 800;
}

.role-pill {
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
  border: 1px solid #000;
}

.role-pill.admin {
  background: var(--neo-yellow);
  color: #000;
}

.role-pill.member {
  background: var(--neo-cyan);
  color: #000;
}

.menu-toggle-btn {
  display: none;
  width: 40px;
  height: 40px;
  font-size: 20px;
  background: var(--neo-yellow);
  padding: 0;
  flex-shrink: 0;
}

.sidebar-close-btn {
  display: none;
  width: 32px;
  height: 32px;
  padding: 0;
  background: #ff4757;
  color: #fff;
  font-size: 14px;
}

.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(5px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

body.sidebar-open .floating-chat-footer {
  display: none !important;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-overlay.open {
  display: flex;
}

.modal-card {
  background: #ffffff;
  border: var(--border-width) solid var(--border-color);
  box-shadow: var(--shadow-hard);
  border-radius: 14px;
  padding: 24px;
  width: 100%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 18px;
  font-weight: 800;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: var(--border-width) solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  outline: none;
}

.form-input:focus {
  border-color: var(--neo-cyan);
  box-shadow: 2px 2px 0 #000;
}

@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: -340px;
    height: 100vh;
    height: 100dvh;
    width: 300px;
    max-width: 85vw;
    z-index: 999;
    transition: left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .sidebar.open {
    left: 0;
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
  }
  .menu-toggle-btn, .sidebar-close-btn {
    display: flex;
  }
}