/* ==========================================================================
   COSMIC ORACLE DESIGN SYSTEM — CSS
   Aesthetic Direction: Cosmic Oracle (Mystical Dark & Glowing Gold)
   ========================================================================== */

/* Design Tokens */
:root {
  --color-bg: #030712;         /* Deep cosmic void */
  --color-bg-gradient: radial-gradient(circle at center, #0b1126 0%, #030712 100%);
  --color-surface: rgba(17, 24, 39, 0.65); /* Frosted glass dark */
  --color-surface-hover: rgba(22, 32, 53, 0.8);
  --color-accent: #c9a227;     /* Luminous Oracle Gold */
  --color-accent-glow: rgba(201, 162, 39, 0.4);
  --color-purple: #8b5cf6;     /* Cosmic Violet */
  --color-purple-glow: rgba(139, 92, 246, 0.3);
  --color-text: #f3f4f6;       /* Luminous warm white */
  --color-text-muted: #9ca3af; /* Muted stardust gray */
  --color-border: rgba(201, 162, 39, 0.2);
  --color-border-active: rgba(201, 162, 39, 0.6);
  
  --font-display: 'Cinzel Decorative', Georgia, serif;
  --font-body: 'Crimson Pro', Georgia, serif;
  --shadow-glow: 0 0 15px var(--color-accent-glow);
  --shadow-purple: 0 0 15px var(--color-purple-glow);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Setup */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--color-text);
  background: var(--color-bg);
  background-image: var(--color-bg-gradient);
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Cosmic Background Starfield */
.starfield {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  background-repeat: repeat;
  background-size: 400px 400px;
  opacity: 0.3;
}

.stars-small {
  background-image: radial-gradient(1px 1px at 25px 30px, white, transparent),
                    radial-gradient(1px 1px at 150px 75px, white, transparent),
                    radial-gradient(1px 1px at 300px 220px, white, transparent),
                    radial-gradient(1px 1px at 75px 350px, white, transparent);
  animation: drift 120s linear infinite;
}

.stars-medium {
  background-image: radial-gradient(2px 2px at 100px 100px, rgba(255,255,255,0.7), transparent),
                    radial-gradient(1.5px 1.5px at 270px 40px, rgba(201, 162, 39, 0.7), transparent),
                    radial-gradient(2px 2px at 40px 290px, rgba(255,255,255,0.7), transparent);
  animation: drift 90s linear infinite;
  opacity: 0.4;
}

@keyframes drift {
  from { transform: translateY(0px) translateX(0px); }
  to { transform: translateY(-400px) translateX(-100px); }
}

/* Layout Container */
.oracle-container {
  position: relative;
  z-index: 1;
  width: 92vw;
  max-width: 800px;
  height: 90vh;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
}

/* Header */
.oracle-header {
  padding: 1.25rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  background: rgba(3, 7, 18, 0.3);
}

/* Top row: seal + pool status */
.header-top-row {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 0.5rem;
}

.header-seal {
  font-size: 1.5rem;
  color: var(--color-accent);
  text-shadow: var(--shadow-glow);
  animation: pulse-glow 3s ease-in-out infinite;
}

/* Pool Status Badge */
.pool-status-badge {
  position: absolute;
  right: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(17, 24, 39, 0.7);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 0.25rem 0.7rem;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
  backdrop-filter: blur(8px);
}

.pool-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background 0.4s ease;
}

.pool-dot--online {
  background: #22c55e;
  box-shadow: 0 0 6px rgba(34, 197, 94, 0.7);
  animation: pulse-green 2s ease-in-out infinite;
}

.pool-dot--offline {
  background: rgba(156, 163, 175, 0.4);
  box-shadow: none;
}

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

.pool-label {
  font-family: var(--font-body);
}

.oracle-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--color-accent);
  text-shadow: var(--shadow-glow);
}

.oracle-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 0.3rem;
  letter-spacing: 1px;
}

/* Chat Workspace */
.chat-workspace {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  scroll-behavior: smooth;
}

/* Custom Scrollbar for Chat Workspace */
.chat-workspace::-webkit-scrollbar {
  width: 6px;
}
.chat-workspace::-webkit-scrollbar-track {
  background: transparent;
}
.chat-workspace::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 10px;
}
.chat-workspace::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-glow);
}

/* Welcome Box */
.welcome-box {
  margin: auto;
  max-width: 500px;
  text-align: center;
  padding: 2rem;
  background: rgba(17, 24, 39, 0.4);
  border: 1px dashed var(--color-border);
  border-radius: 16px;
  animation: fade-in 0.8s ease-out;
}

.welcome-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  animation: float 4s ease-in-out infinite;
}

.welcome-box h2 {
  font-family: var(--font-display);
  color: var(--color-accent);
  font-size: 1.3rem;
  letter-spacing: 2px;
  margin-bottom: 0.75rem;
  text-shadow: var(--shadow-glow);
}

.welcome-box p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* Suggested Buttons */
.suggested-prompts {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.suggest-btn {
  background: rgba(139, 92, 246, 0.1);
  color: var(--color-text);
  border: 1px solid rgba(139, 92, 246, 0.25);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-smooth);
  text-align: left;
}

.suggest-btn:hover {
  background: rgba(139, 92, 246, 0.2);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-purple);
  transform: translateY(-2px);
}

/* Chat Messages */
.message-bubble {
  max-width: 80%;
  padding: 1rem 1.25rem;
  border-radius: 16px;
  line-height: 1.6;
  position: relative;
  animation: pop-up 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.message-bubble p {
  white-space: pre-line;
  margin: 0;
}

.message-user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.15) 0%, rgba(201, 162, 39, 0.05) 100%);
  border: 1px solid var(--color-border);
  border-bottom-right-radius: 4px;
  color: var(--color-text);
  box-shadow: var(--shadow-glow);
}

.message-ai {
  align-self: flex-start;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-bottom-left-radius: 4px;
  color: var(--color-text);
  box-shadow: var(--shadow-purple);
}

/* Error variant — untuk rate limit / error messages */
.message-error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.04) 100%) !important;
  border-color: rgba(239, 68, 68, 0.25) !important;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.1) !important;
}

/* Agent badge — ditampilkan di bawah teks AI */
.agent-badge {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 20px;
  padding: 0.15rem 0.5rem;
  font-style: normal;
  letter-spacing: 0.5px;
}

/* Typing Indicator Styling */
.typing-container {
  display: none; /* Controlled by JS */
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1.5rem 1rem;
  align-self: flex-start;
}

.typing-bubble {
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  padding: 0.75rem 1.25rem;
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-purple);
}

.typing-bubble .dot {
  width: 7px;
  height: 7px;
  background-color: var(--color-accent);
  border-radius: 50%;
  animation: typing-bounce 1.4s infinite ease-in-out both;
}

.typing-bubble .dot:nth-child(1) { animation-delay: -0.32s; }
.typing-bubble .dot:nth-child(2) { animation-delay: -0.16s; }

.typing-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Footer & Form */
.oracle-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--color-border);
  background: rgba(3, 7, 18, 0.3);
}

.chat-form {
  display: flex;
  gap: 0.75rem;
  width: 100%;
}

#userInput {
  flex: 1;
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--color-text);
  outline: none;
  transition: var(--transition-smooth);
}

#userInput:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 10px rgba(201, 162, 39, 0.15), inset 0 1px 3px rgba(0,0,0,0.5);
}

#userInput::placeholder {
  color: var(--color-text-muted);
  font-style: italic;
  font-size: 1rem;
}

/* Send Button */
#sendBtn {
  background: linear-gradient(135deg, #c9a227 0%, #a27f1c 100%);
  border: none;
  border-radius: 12px;
  padding: 0 1.5rem;
  color: #030712;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-glow);
}

#sendBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(201, 162, 39, 0.6);
  filter: brightness(1.1);
}

#sendBtn:active {
  transform: translateY(0);
}

#sendBtn:disabled, #userInput:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

#sendBtn.btn--loading .btn-icon {
  animation: spin 1s linear infinite;
}

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

/* Animations */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse-glow {
  0% { opacity: 0.7; text-shadow: 0 0 5px var(--color-accent-glow); }
  50% { opacity: 1; text-shadow: 0 0 20px var(--color-accent); }
  100% { opacity: 0.7; text-shadow: 0 0 5px var(--color-accent-glow); }
}

@keyframes typing-bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pop-up {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Responsiveness */
@media (max-width: 640px) {
  .oracle-container {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
    border: none;
  }
  
  .oracle-title {
    font-size: 1.4rem;
    letter-spacing: 2px;
  }
  
  .message-bubble {
    max-width: 90%;
  }

  #sendBtn {
    padding: 0 1rem;
  }
  
  .btn-text {
    display: none;
  }
}