/* ==========================================================================
   TABLE OF CONTENTS
   
   1. Font Definitions
   2. Basic Styles & Variables
   3. Layout & Structure
   4. Sidebar Components
   5. Content Area Components
   6. Message Components
   7. Command Input Components
   8. UI Elements & Buttons
   9. Animation Effects
   10. Responsive Design
   ========================================================================== */

/* ==========================================================================
   1. Font Definitions
   ========================================================================== */

@font-face {
  font-family: 'Noto Sans';
  font-style: normal;
  font-weight: 400;
  src: local('Noto Sans Regular'), local('NotoSans-Regular'), 
       url('fonts/Noto\ Sans/NotoSans-Regular.ttf') format('truetype');
}

@font-face {
  font-family: 'Noto Sans';
  font-style: normal;
  font-weight: 500;
  src: local('Noto Sans Medium'), local('NotoSans-Medium'), 
       url('fonts/Noto\ Sans/NotoSans-Medium.ttf') format('truetype');
}

@font-face {
  font-family: 'Noto Sans';
  font-style: normal;
  font-weight: 600;
  src: local('Noto Sans SemiBold'), local('NotoSans-SemiBold'), 
       url('fonts/Noto\ Sans/NotoSans-SemiBold.ttf') format('truetype');
}

@font-face {
  font-family: 'Noto Sans';
  font-style: normal;
  font-weight: 700;
  src: local('Noto Sans Bold'), local('NotoSans-Bold'), 
       url('fonts/Noto\ Sans/NotoSans-Bold.ttf') format('truetype');
}

/* ==========================================================================
   2. Basic Styles & Variables
   ========================================================================== */

/* Set proper viewport handling for mobile */
html {
  height: -webkit-fill-available;
  height: 100%;
}

/* Discord-accurate color scheme */
:root {
  /* Colors */
  --primary-color: #5865F2; /* Discord brand blue */
  --primary-color-dark: #4752C4; /* Darker shade for hover states */
  --discord-bg: #36393f; /* Main Discord background */
  --discord-sidebar: #2f3136; /* Sidebar background */
  --discord-active-channel: #42464d; /* Active channel background */
  --discord-hover: #393c43; /* Hover state for items */
  --discord-text: #dcddde; /* Primary text color */
  --discord-muted-text: #9c9ca3; /* Secondary text color */
  --discord-header: #202225; /* Header color */
  --discord-separator: #40444b; /* Separator line color */
  --discord-input-bg: #40444b; /* Input box background */
  --discord-button: #4f545c; /* Button background */
  --discord-button-hover: #686d73; /* Button hover background */
  --discord-message-hover: #32353b; /* Message hover background */
  --discord-embed: #2f3136; /* Embed background */
  --discord-link: #00b0f4; /* Link color */
  --discord-green: #3ba55d; /* Success/online color */
  --discord-yellow: #faa81a; /* Warning color */
  --discord-red: #ed4245; /* Error/danger color */
  
  /* Additional standardized colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-transparent-black: rgba(0, 0, 0, 0.2);
  --discord-command-bg: #373f63; /* Command background */
  --discord-command-text: #cad2f9; /* Command text color */
  --discord-code-text: #ff9d5c; /* Code text color */
  
  /* Typography */
  --font-size-xs: 0.7rem;      /* 11px at 16px base */
  --font-size-sm: 0.8125rem;   /* 13px at 16px base */
  --font-size-md: 0.875rem;    /* 14px at 16px base */
  --font-size-base: 0.9375rem; /* 15px at 16px base */
  --font-size-lg: 1rem;        /* 16px at 16px base */
  --font-size-xl: 1.125rem;    /* 18px at 16px base */
  --line-height-base: 1.375rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Font families */
  --font-family-main: "Noto Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-family-code: Consolas, "Andale Mono WT", "Andale Mono", "Lucida Console", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", Monaco, "Courier New", Courier, monospace;
  
  /* SVG Icons */
  --svg-avatar-dungeon-gate: url("dungeon-gate.svg");
  
  /* Spacing */
  --spacing-xxs: 2px;
  --spacing-xs: 4px;
  --spacing-sm: 6px;
  --spacing-md: 8px;
  --spacing-lg: 12px;
  --spacing-xl: 16px;
  --spacing-xxl: 24px;
  
  /* Border radius */
  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-round: 50%;
  
  /* Effects */
  --transition-short: 0.1s ease;
  --transition-medium: 0.17s ease;
  --transition-sidebar: 0.3s ease;
  --shadow-message: 0 1px 0 rgba(4,4,5,0.2),0 1.5px 0 rgba(6,6,7,0.05),0 2px 0 rgba(4,4,5,0.05);
  --shadow-embed: 0 4px 20px rgba(0, 0, 0, 0.3);
  
  /* Layout */
  --sidebar-width: 240px;
  --server-icon-size: 32px;
  --avatar-size: 40px;
  --header-height-mobile: 48px;
  --footer-height-mobile: 60px;
  
  /* Z-index */
  --z-index-base: 1;      /* Base content level */
  --z-index-dropdown: 100; /* Dropdowns and tooltips */
  --z-index-overlay: 200;  /* Overlays like sidebar */
}

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

/* Base structure */
html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-family-main);
  line-height: var(--line-height-base);
  color: var(--discord-text);
  background-color: var(--discord-bg);
  font-size: var(--font-size-base);
}

/* Typography */
h1, h2, h3 {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  line-height: 1.25;
}

h1 {
  font-size: 1.5rem;
  margin-top: 0;
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

a {
  color: var(--discord-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   3. Layout & Structure
   ========================================================================== */

/* Core app layout */
.discord-app {
  display: flex;
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
}

/* Content area */
.content-area {
  display: flex;
  flex-direction: column;
  width: calc(100% - var(--sidebar-width));
  margin-left: var(--sidebar-width);
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
  }

/* ==========================================================================
   4. Sidebar Components
   ========================================================================== */

/* Sidebar styles */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--discord-sidebar);
  height: 100%;
  overflow-y: auto;
  border-right: 1px solid var(--color-transparent-black);
  position: absolute;
  left: calc(-1 * var(--sidebar-width));
  top: 0;
  bottom: 0;
  z-index: var(--z-index-overlay);
  transition: left var(--transition-sidebar);
}

.sidebar.visible {
  left: 0;
}

.server-info {
  padding: var(--spacing-xl);
  background-color: var(--discord-header);
  border-bottom: 1px solid var(--discord-separator);
  display: flex;
  align-items: center;
}

.server-info h1, .server-info h2 {
  font-size: var(--font-size-base);
  margin-bottom: 0;
  flex-grow: 1;
}

.channels-container {
  padding: 0 var(--spacing-md);
}

.channels-category {
  padding: var(--spacing-xl) var(--spacing-md) var(--spacing-xs);
  color: var(--discord-muted-text);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.channels-list {
  list-style: none;
}

.channel {
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-xxs) 0;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--discord-muted-text);
  display: flex;
  align-items: center;
  font-size: var(--font-size-md);
}

.channel:hover {
  background-color: var(--discord-hover);
  color: var(--discord-text);
}

.channel.active {
  background-color: var(--discord-active-channel);
  color: var(--discord-text);
}

.channel-hash {
  margin-right: var(--spacing-xs);
  opacity: 0.6;
  font-size: 20px;
  position: relative;
  top: -1px;
}

/* ==========================================================================
   5. Content Area Components
   ========================================================================== */

/* Fixed header */
.channel-header {
  flex: 0 0 auto;
  padding: var(--spacing-lg) var(--spacing-xl);
  background-color: var(--discord-bg);
  box-shadow: var(--shadow-message);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
}

/* Sidebar toggle button */
.sidebar-toggle {
  display: none; /* Hidden by default on desktop */
  background: none;
  border: none;
  color: var(--discord-text);
  padding: var(--spacing-xs);
  cursor: pointer;
  margin-right: var(--spacing-md);
  transition: color var(--transition-short);
}

.sidebar-toggle:hover {
  color: var(--color-white);
}

.channel-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
}

.channel-description {
  margin-left: var(--spacing-xxl);
  color: var(--discord-muted-text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
}

/* Scrollable message area */
.message-area {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 0;
  background-color: var(--discord-bg);
  -webkit-overflow-scrolling: touch;
  flex: 1;
  position: relative;
  scroll-snap-type: y proximity;
  overscroll-behavior: contain;
}

/* ==========================================================================
   6. Message Components
   ========================================================================== */

/* Messages container */
.messages-container {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  padding-bottom: 0;
}

/* Make sure first and last messages have proper spacing */
.messages-container > :first-child {
  margin-top: 0;
  scroll-snap-align: start;
}

.messages-container > :last-child {
  margin-bottom: 0;
  scroll-snap-align: end;
}

/* Add Firefox-specific adjustments for first message */
@supports (-moz-appearance:none) {
  .messages-container > :first-child {
    margin-top: -4px; /* More aggressive for Firefox */
  }
}

.message {
  display: flex;
  margin-bottom: var(--spacing-xl);
  padding: 0.125rem var(--spacing-xl) 0.125rem var(--spacing-xs);
  border-radius: var(--radius-md);
}

.message:hover {
  background-color: var(--discord-message-hover);
}

/* Common circular avatar styles */
.message-avatar, .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-round);
  background-color: var(--primary-color);
  font-weight: var(--font-weight-bold);
}

/* Message avatar specific styles */
.message-avatar {
  width: var(--avatar-size);
  height: var(--avatar-size);
  margin-right: var(--spacing-xl);
  flex-shrink: 0;
  background-image: var(--svg-avatar-dungeon-gate);
  background-size: cover;
}

.message-avatar.no-background-image {
  background-image: none;
}

.message-content {
  flex-grow: 1;
}

.message-header {
  display: flex;
  align-items: baseline;
  margin-bottom: var(--spacing-xs);
}

.message-username {
  font-weight: var(--font-weight-medium);
  margin-right: var(--spacing-md);
  color: var(--color-white);
  font-size: var(--font-size-base);
}

.message-timestamp {
  font-size: var(--font-size-xs);
  color: var(--discord-muted-text);
  font-weight: var(--font-weight-medium);
}

.message-text {
  color: var(--discord-text);
  word-wrap: break-word;
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
}

/* Typing indicator */
.typing-indicator {
  display: none;
  padding: var(--spacing-md) var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--discord-muted-text);
  font-size: var(--font-size-sm);
  align-items: center;
}

/* When typing indicator is inside messages container */
.messages-container .typing-indicator {
  margin-left: var(--spacing-xs);
  padding-left: var(--spacing-xs);
  margin-top: -5px;
}

.typing-indicator.active {
  display: flex;
}

.typing-indicator .text {
  font-weight: var(--font-weight-medium);
}

.typing-indicator .username {
  font-weight: var(--font-weight-bold);
  color: var(--discord-text);
}

.typing-dots {
  display: inline-flex;
  margin-left: var(--spacing-xs);
}

.typing-dot {
  width: 8px;
  height: 8px;
  background-color: var(--discord-muted-text);
  border-radius: var(--radius-round);
  margin-right: 3px;
}

/* ==========================================================================
   7. Command Input Components
   ========================================================================== */

/* Fixed footer */
footer {
  flex: 0 0 auto;
  background-color: var(--discord-bg);
  position: sticky;
  bottom: 0;
  width: 100%;
  margin-top: 0;
}

/* Command input container */
.command-input-container {
  padding: var(--spacing-xs) var(--spacing-xl) var(--spacing-md);
  background-color: var(--discord-bg);
  display: flex;
  gap: var(--spacing-md);
  margin-top: 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  position: relative;
}

.command-input-container.visible {
  opacity: 1;
  transform: translateY(0);
}

#command-input {
  flex-grow: 1;
  background-color: var(--discord-input-bg);
  border: none;
  border-radius: var(--radius-lg);
  padding: 11px var(--spacing-xl);
  color: var(--discord-text);
  font-size: var(--font-size-base);
  font-family: var(--font-family-main);
  outline: none;
  resize: none;
}

#command-input::placeholder {
  color: var(--discord-muted-text);
}

/* Autocomplete styles */
.autocomplete-container {
  position: relative;
  flex-grow: 1;
}

.autocomplete-dropdown {
  position: absolute;
  bottom: 100%;
  left: 0;
  right: 0;
  background-color: var(--discord-input-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--discord-separator);
  max-height: 200px;
  overflow-y: auto;
  display: none;
  z-index: var(--z-index-dropdown);
  margin-bottom: var(--spacing-xs);
  box-shadow: var(--shadow-embed);
}

.autocomplete-dropdown.visible {
  display: block;
}

.autocomplete-item {
  padding: var(--spacing-sm) var(--spacing-xl);
  cursor: pointer;
  color: var(--discord-text);
}

.autocomplete-item:hover,
.autocomplete-item.selected {
  background-color: var(--discord-hover);
}

.autocomplete-item .command-name {
  font-weight: var(--font-weight-medium);
}

.autocomplete-item .command-description {
  font-size: var(--font-size-sm);
  color: var(--discord-muted-text);
  margin-left: var(--spacing-md);
}

/* ==========================================================================
   8. UI Elements & Buttons
   ========================================================================== */

/* Discord button styling */
.discord-button {
  background-color: var(--primary-color);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-sm);
  display: inline-block;
  margin: var(--spacing-md) var(--spacing-xxs);
  border: none;
  transition: background-color var(--transition-medium);
  cursor: pointer;
  font-family: var(--font-family-main);
  line-height: 1.25;
}

.discord-button:hover {
  background-color: var(--primary-color-dark);
  text-decoration: none;
}

/* Feature styles */
.feature {
  background-color: var(--discord-embed);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-md);
}

.feature-icon {
  margin-bottom: var(--spacing-md);
}

/* Icon specific styles (uses common avatar styles) */
.icon {
  width: var(--avatar-size);
  height: var(--avatar-size);
  font-size: var(--font-size-sm);
}

/* Join options styling */
.join-options {
  display: flex;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.join-option {
  flex: 1;
  padding: var(--spacing-lg);
  background-color: var(--discord-embed);
  border-radius: var(--radius-md);
}

/* Code block styling */
code {
  background-color: var(--discord-header);
  color: var(--discord-code-text);
  font-family: var(--font-family-code);
  padding: var(--spacing-xxs) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  border: none;
  display: inline-block;
}

/* Discord command styling */
.discord-command {
  background-color: var(--discord-command-bg);
  color: var(--discord-command-text);
  padding: var(--spacing-xxs) var(--spacing-xs);
  border-radius: var(--radius-md);
  font-size: 0.9em;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background-color var(--transition-short);
}

.discord-command::before {
  content: "/";
}

/* ==========================================================================
   9. Animation Effects
   ========================================================================== */

.typing-dot:nth-child(1) {
  animation: typingAnimation 1.4s infinite 0s;
}

.typing-dot:nth-child(2) {
  animation: typingAnimation 1.4s infinite 0.2s;
}

.typing-dot:nth-child(3) {
  animation: typingAnimation 1.4s infinite 0.4s;
}

@keyframes typingAnimation {
  0% { transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-2px); }
  100% { transform: translateY(0); }
}

/* ==========================================================================
   10. Responsive Design
   ========================================================================== */

/* Show the sidebar toggle on mobile or when sidebar is collapsed */
@media (max-width: 768px) {
  .sidebar-toggle {
    display: block;
  }
  
  .discord-app {
    flex-direction: column;
    overflow: hidden;
    height: 100%;
  }
  
  .sidebar {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: var(--z-index-overlay); /* Consistent z-index for mobile sidebar */
    left: -100%;
  }
  
  .content-area {
    margin-left: 0;
    width: 100%;
    height: 100%;
  }
  
  /* Fixed header for mobile */
  .channel-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding-left: var(--spacing-md);
    height: var(--header-height-mobile);
    box-shadow: var(--shadow-message);
  }
  
  /* Message area adjusted for fixed header and footer */
  .message-area {
    flex: 1;
    padding-bottom: var(--footer-height-mobile);
    overflow-y: auto;
    height: calc(100vh - var(--header-height-mobile) - var(--footer-height-mobile));
    position: fixed;
    top: var(--header-height-mobile);
    left: 0;
    right: 0;
    bottom: var(--footer-height-mobile);
    z-index: var(--z-index-base);
    margin: 0;
    overscroll-behavior: none;
  }
  
  /* Keep messages container flush with edges */
  .messages-container {
    min-height: calc(100% - 16px);
    justify-content: flex-start;
    margin-top: 0;
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-xl);
  }

  /* Fixed footer for mobile */
  footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--discord-bg);
  }
  
  .command-input-container {
    padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom, 0px));
  }
  
  /* Join options stack on mobile */
  .join-options {
    flex-direction: column;
  }
}

/* Firefox-specific mobile fixes */
@supports (-moz-appearance:none) {
  @media (max-width: 768px) {
    .discord-app {
      height: -moz-available;
      min-height: -moz-available;
    }
  }
}