/* style.css - Ultra-Modern Professional Design */

:root {
  /* Core Palette */
  --color-primary: #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-secondary: #f59e0b;
  --color-background: #f9fafb;
  --color-surface: #ffffff;
  --color-on-primary: #ffffff;
  --color-on-secondary: #000000;
  --color-text-main: #111827;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
  height: 100%;
  font-family: 'Inter', sans-serif;
  background-color: var(--color-background);
  color: var(--color-text-main);
}
a {
  color: var(--color-primary-light);
  transition: color 0.2s;
}
a:hover {
  color: var(--color-primary);
}
button, input, select, textarea {
  font-family: inherit;
  outline: none;
}

/* Container Styles */
#lobby, #game {
  width: 100vw;
  height: 100vh;
  display: grid;
  place-items: center;
}

/* Card Component */
.card {
  background-color: var(--color-surface);
  border-radius: 16px;
  box-shadow: var(--shadow-medium);
  padding: 2rem;
}

/* Lobby Screen */
#lobby {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
}
#lobby .card {
  max-width: 400px;
  width: 90%;
  text-align: center;
}
#lobby h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--color-on-primary);
}
#lobby input,
#lobby button {
  width: 100%;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-size: 1rem;
}
#lobby input {
  background-color: var(--color-surface);
}
#lobby button {
  background-color: var(--color-secondary);
  color: var(--color-on-secondary);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}
#lobby button:hover {
  background-color: #d97706;
}
#error {
  margin-top: 0.5rem;
  color: #ef4444;
  min-height: 1.5rem;
}

/* Game Screen */
#game {
  display: grid;
  grid-template-columns: 280px 1fr;
}
@media (max-width: 768px) {
  #game {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
}

aside {
  background-color: var(--color-surface);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-right: 1px solid var(--color-border);
  border-top-left-radius: 16px;
  border-bottom-left-radius: 16px;
}
#asideToggle {
  display: none;
  align-self: flex-end;
  font-size: 1.5rem;
  cursor: pointer;
}
@media (max-width: 768px) {
  #asideToggle {
    display: block;
  }
  aside.collapsed {
    max-height: 48px;
    overflow: hidden;
  }
}

#roomLabel {
  font-size: 1.25rem;
  font-weight: 600;
  text-align: center;
}
#playersList {
  list-style: none;
  max-height: 200px;
  overflow-y: auto;
}
#playersList li {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem;
  margin-bottom: 0.5rem;
  background-color: var(--color-background);
  border-radius: 8px;
}
#playersList li.ready {
  background-color: #dbf3ff;
}

#readyBtn {
  padding: 0.75rem;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s;
}
#readyBtn:disabled {
  background-color: var(--color-border);
  cursor: not-allowed;
}
#readyBtn:hover:enabled {
  background-color: var(--color-primary-light);
}

#timer {
  font-size: 2rem;
  color: var(--color-secondary);
  text-align: center;
}

#tools {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
#tools input[type="color"] {
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: 8px;
}
#tools input[type="range"] {
  flex: 1;
}
#tools button {
  flex: 0 0 auto;
  padding: 0.5rem 1rem;
  background-color: var(--color-secondary);
  color: var(--color-on-secondary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s;
}
#tools button:hover {
  background-color: #d97706;
}

#chat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
#messages {
  list-style: none;
  overflow-y: auto;
  padding-right: 0.5rem;
}
#messages li {
  padding: 0.5rem;
  margin-bottom: 0.5rem;
  border-radius: 8px;
  background-color: var(--color-background);
}
#messages li.correct {
  background-color: #dcfce7;
  color: #166534;
}
#chat input,
#chat button {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
}
#chat button {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  transition: background-color 0.2s;
}
#chat button:hover {
  background-color: var(--color-primary-light);
}

/* Canvas Styling */
canvas {
  width: 100%;
  height: 100%;
  background-color: var(--color-surface);
  border-radius: 16px;
  box-shadow: var(--shadow-light) inset;
  cursor: crosshair;
  touch-action: none;
}

/* Hide Utility */
.hidden {
  display: none !important;
}

#lobby .input-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 240px;
  margin: 1rem auto;
  box-shadow: var(--shadow-light);
}

#lobby .input-box input,
#lobby .input-box button {
  width: 100%;
  margin: 0;
}