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

:root {
    --bg-primary: #313338;
    --bg-secondary: #2b2d31;
    --bg-chat: #2b2d31;
    --bg-message-hover: #2a2c30;
    --bg-message-own: #2b2d31;
    --bg-message-other: #2b2d31;
    --text-primary: #dbdee1;
    --text-secondary: #949ba4;
    --text-muted: #5c6169;
    --border-color: #1e1f22;
    --accent: #5865f2;
    --accent-hover: #4752c4;
    --danger: #ed4245;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    color: var(--text-primary);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(12px);
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 40px;
    max-width: 420px;
    width: 90%;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    animation: slideUp 0.4s ease;
}

.modal-header {
    text-align: center;
    margin-bottom: 28px;
}

.modal-icon {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: 12px;
}

.modal-header h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#usernameInput {
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.3s;
}

#usernameInput:focus {
    border-color: var(--accent);
}

#usernameInput::placeholder {
    color: var(--text-muted);
}

#joinButton {
    padding: 12px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

#joinButton:hover {
    background: var(--accent-hover);
}

.error-message {
    color: var(--danger);
    font-size: 14px;
    text-align: center;
    min-height: 20px;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   CHAT
   ============================================ */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    background: var(--bg-primary);
}

/* Header - Discord Style */
.chat-header {
    background: var(--bg-secondary);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    height: 48px;
    box-shadow: 0 1px 0 rgba(0,0,0,0.3);
}

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

.header-icon {
    font-size: 18px;
    color: var(--text-secondary);
}

.chat-header h1 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    background: rgba(255,255,255,0.05);
    padding: 2px 10px;
    border-radius: 12px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online { background: #23a55a; }
.status-dot.offline { background: var(--danger); }
.status-dot.connecting { background: #faa81a; animation: pulse 1.5s ease-in-out infinite; }

.status-text {
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 500;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name-display {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 2px 10px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
}

#user-count {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Messages - Discord Style */
.messages {
    flex: 1;
    padding: 12px 20px;
    overflow-y: auto;
    background: var(--bg-primary);
}

.messages::-webkit-scrollbar {
    width: 6px;
}

.messages::-webkit-scrollbar-track {
    background: transparent;
}

.messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.messages::-webkit-scrollbar-thumb:hover {
    background: #4a4d54;
}

.system-message {
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    padding: 8px;
    margin: 4px 0;
    background: rgba(255,255,255,0.03);
    border-radius: 6px;
}

.system-message.error { color: var(--danger); background: rgba(237,66,69,0.1); }
.system-message.success { color: #23a55a; background: rgba(35,165,90,0.1); }
.system-message.join { color: #5865f2; background: rgba(88,101,242,0.1); }
.system-message.leave { color: var(--danger); background: rgba(237,66,69,0.1); }
.system-message.info { color: var(--text-secondary); background: rgba(255,255,255,0.03); }

/* ============================================
   MESSAGES - Show name for every message, inline time with space
   ============================================ */

.message {
    padding: 2px 12px;
    margin: 0;
    border-radius: 0;
    max-width: 100%;
    word-wrap: break-word;
    animation: fadeIn 0.15s ease;
    position: relative;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    border-left: 2px solid transparent;
    transition: background 0.15s;
}

.message:hover {
    background: var(--bg-message-hover);
    border-left-color: var(--accent);
}

.message .sender {
    font-size: 12px;
    font-weight: 600;
    color: #dbdee1;
    display: inline;
}

.message .time {
    font-size: 10px;
    color: var(--text-muted);
    display: inline;
    margin-left: 6px;
}

/* Space between time and message text */
.message .message-text {
    font-size: 14px;
    line-height: 1.375;
    color: var(--text-primary);
    display: inline;
    margin-left: 8px;
}

/* ============================================
   MESSAGE ACTIONS - Delete Button
   ============================================ */

.message .message-actions {
    position: absolute;
    top: 4px;
    right: 8px;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 10;
}

.message:hover .message-actions {
    opacity: 1;
}

.msg-action {
    background: rgba(0, 0, 0, 0.6);
    border: none;
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.msg-action:hover {
    background: var(--danger);
    color: white;
}

/* ============================================
   FILE/IMAGE MESSAGES - Discord Style
   ============================================ */

.message .file-content {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: rgba(255,255,255,0.04);
    border-radius: 6px;
    margin-top: 4px;
    border: 1px solid rgba(255,255,255,0.06);
    width: 100%;
}

.file-content i {
    font-size: 24px;
    color: var(--text-secondary);
}

.file-content .file-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.file-content .file-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.file-content .file-size {
    font-size: 11px;
    color: var(--text-muted);
}

.file-content .file-download {
    color: var(--accent);
    text-decoration: none;
    font-size: 13px;
    margin-left: auto;
    padding: 4px 10px;
    border-radius: 4px;
    background: rgba(88,101,242,0.15);
    transition: background 0.3s;
}

.file-content .file-download:hover {
    background: rgba(88,101,242,0.25);
}

.message .image-content {
    max-width: 100%;
    max-height: 400px;
    border-radius: 6px;
    margin-top: 4px;
    cursor: pointer;
    transition: transform 0.15s;
}

.message .image-content:hover {
    transform: scale(1.01);
}

/* ============================================
   INPUT AREA - Discord Style
   ============================================ */
.input-area {
    padding: 8px 16px 12px 16px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    width: 100%;
}

.input-wrapper {
    display: flex;
    gap: 8px;
    align-items: center;
    width: 100%;
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 4px 6px;
    border: 1px solid var(--border-color);
    transition: border-color 0.15s;
}

.input-wrapper:focus-within {
    border-color: var(--accent);
}

.input-wrapper input[type="text"] {
    flex: 1;
    min-width: 0;
    padding: 8px 12px;
    background: transparent;
    border: none;
    font-size: 14px;
    color: var(--text-primary);
    outline: none;
}

.input-wrapper input[type="text"]::placeholder {
    color: var(--text-muted);
}

.input-wrapper input[type="text"]:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.input-actions {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-shrink: 0;
}

.file-label {
    padding: 6px 8px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.file-label:hover {
    color: var(--text-secondary);
    background: rgba(255,255,255,0.05);
}

#send-button {
    padding: 6px 12px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
}

#send-button:hover:not(:disabled) {
    background: var(--accent-hover);
}

#send-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============================================
   ADMIN MODAL - Discord Style
   ============================================ */
.admin-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(8px);
}

.admin-modal-content {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 28px;
    max-width: 480px;
    width: 90%;
    border: 1px solid var(--border-color);
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.admin-modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.admin-modal-header i {
    font-size: 24px;
    color: #faa81a;
}

.admin-modal-header h2 {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
}

.admin-modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    transition: color 0.3s;
    padding: 0 4px;
}

.admin-modal-close:hover {
    color: var(--text-primary);
}

.admin-modal-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.admin-input-group {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

.admin-input-group input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s;
}

.admin-input-group input:focus {
    border-color: var(--accent);
}

.admin-input-group button {
    padding: 8px 16px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
    white-space: nowrap;
}

.admin-input-group button:hover {
    background: var(--accent-hover);
}

.admin-error {
    color: var(--danger);
    font-size: 13px;
    margin-top: 4px;
}

.admin-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-feature {
    background: var(--bg-primary);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.admin-feature h4 {
    font-size: 13px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.admin-feature h4 i {
    color: var(--accent);
    margin-right: 6px;
}

.admin-button-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-btn {
    padding: 6px 14px;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.admin-btn:active {
    transform: scale(0.97);
}

.admin-btn-danger {
    background: var(--danger);
    color: white;
}

.admin-btn-danger:hover {
    background: #c0353a;
}

.admin-btn-warning {
    background: #faa81a;
    color: #1a1a1a;
}

.admin-btn-warning:hover {
    background: #d49114;
}

.admin-btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    width: 100%;
    justify-content: center;
    margin-top: 4px;
}

.admin-btn-outline:hover {
    background: var(--bg-message-hover);
    color: var(--text-primary);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 640px) {
    .modal-content { padding: 24px; }
    .chat-header { padding: 8px 12px; height: 40px; }
    .chat-header h1 { font-size: 14px; }
    .messages { padding: 8px 12px; }
    .message { padding: 2px 8px; }
    .message .sender { font-size: 11px; }
    .message .message-text { font-size: 13px; }
    .message .time { font-size: 9px; }
    .input-area { padding: 6px 12px 10px 12px; }
    .input-wrapper input[type="text"] { padding: 6px 10px; font-size: 13px; }
    .file-label { font-size: 14px; padding: 4px 6px; }
    #send-button { min-width: 28px; height: 28px; font-size: 12px; padding: 4px 8px; }
    .admin-modal-content { padding: 20px; margin: 12px; }
    .admin-input-group { flex-direction: column; }
    .admin-input-group button { width: 100%; justify-content: center; }
    .admin-button-group { flex-direction: column; }
    .admin-btn { width: 100%; justify-content: center; }
    .message-actions { opacity: 1; }
    .message .image-content { max-height: 200px; }
    .message .file-content { flex-wrap: wrap; }
    .file-content .file-download { margin-left: 0; width: 100%; text-align: center; }
}