/* ========== ЧАТ ========== */
:root {
    --bg-color: #f4f5f7;
    --text-color: #333333;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --input-bg: #ffffff;
    --primary-color: #4f46e5;
    --primary-hover: #3730a3;
    --danger-color: #f44336;
    --shadow: 0 2px 5px rgba(0,0,0,0.1);
    --autocomplete-hover: #f8f9ff;
    --gradient-start: #4361ee;
    --gradient-mid: #3a0ca3;
    --gradient-end: #4f46e5;
    --modal-overlay: rgba(0, 0, 0, 0.5);
}

body.dark-theme {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --card-bg: #333333;
    --border-color: #404040;
    --input-bg: #404040;
    --primary-color: #8183f5;
    --primary-hover: #a5a7fa;
    --danger-color: #ef4444;
    --shadow: 0 2px 5px rgba(0,0,0,0.3);
    --autocomplete-hover: #404040;
    --gradient-start: #8183f5;
    --gradient-mid: #c3b5ff;
    --gradient-end: #a5a7fa;
    --modal-overlay: rgba(0, 0, 0, 0.7);
}

/* Кнопка открытия чата */
.chat-button-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.chat-button {
    width: 48px;
    height: 48px;
    border-radius: 30px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
    transition: all 0.3s ease;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.chat-button:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.5);
}

.chat-unread-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ef4444;
    color: white;
    font-size: 12px;
    font-weight: bold;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    border: 2px solid white;
}

/* Панель чата — теперь прижата к низу */
.chat-panel {
    position: fixed;
    bottom: 0;               /* прилегает к самому низу */
    right: 80px;
    width: 400px;
    background: var(--card-bg);
    border-radius: 24px 24px 0 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.25s ease;
    min-width: 280px;
    height: 550px;
    max-height: 80vh;
}

.chat-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

@media (max-width: 767px) {
    .chat-panel {
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        max-height: 85vh;
        border-radius: 24px 24px 0 0;
        transform: translateY(100%);
        transition: transform 0.3s ease;
        opacity: 1;
        visibility: visible;
        min-width: unset;
        min-height: unset;
        height: auto;
    }
    .chat-panel.mobile-open {
        transform: translateY(0);
    }
    .chat-button-container {
        bottom: 15px;
        right: 15px;
    }
    .chat-button {
        width: 44px;
        height: 44px;
    }
    .chat-panel-header {
        cursor: default;
    }
}

.chat-panel-header {
    padding: 14px 16px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    cursor: ns-resize;
}

.chat-panel-title {
    font-weight: 600;
    font-size: 1.1em;
    display: flex;
    align-items: center;
    gap: 6px;
}

.chat-online-counter {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.15);
    padding: 2px 8px 2px 6px;
    border-radius: 20px;
    font-size: 0.75em;
    font-weight: 400;
    backdrop-filter: blur(4px);
    margin-left: 4px;
}

.chat-panel-actions {
    display: flex;
    gap: 8px;
}

.chat-settings-btn,
.chat-panel-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.2s;
}

.chat-settings-btn:hover,
.chat-panel-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.chat-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
}

/* Экран ввода ника */
.chat-nick-setup {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    text-align: center;
}

.chat-nick-setup-inner {
    max-width: 240px;
}

.chat-nick-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.7;
}

.chat-nick-setup h3 {
    margin: 0 0 8px;
    color: var(--text-color);
}

.chat-nick-setup p {
    margin: 0 0 16px;
    font-size: 0.9em;
    opacity: 0.7;
}

#adminPasswordInput,
#settingsAdminPasswordInput {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--input-bg);
    color: var(--text-color);
    margin-bottom: 12px;
    text-align: center;
}


#chatNickSetupBtn:hover {
    background: var(--primary-hover);
}

/* Основной чат */
.chat-main {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-notifications {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 8px;
    max-height: 120px;       /* ограничиваем область уведомлений */
    overflow: hidden;
}

.chat-notification {
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    background: var(--input-bg);
    border-left: 4px solid var(--primary-color);
    animation: slideInNotification 0.3s ease;
    flex-shrink: 0;
}

.chat-notification.error {
    border-left-color: var(--danger-color);
    background: rgba(244, 67, 54, 0.1);
}

.chat-notification.success {
    border-left-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

@keyframes slideInNotification {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding-right: 4px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 0;
}

.chat-empty {
    text-align: center;
    color: var(--text-color);
    opacity: 0.5;
    padding: 30px;
    font-style: italic;
}

.chat-message {
    background: var(--input-bg);
    padding: 8px 12px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    align-self: flex-start;
    max-width: 85%;
    word-break: break-word;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.chat-message.own {
    align-self: flex-end;
    background: var(--primary-color);
    color: white;
    border-color: transparent;
}

.chat-message-header {
    margin-bottom: 2px;
}

.chat-message-nick {
    font-weight: 700;
    font-size: 0.85em;
}

.chat-message-text {
    font-size: 0.95em;
    line-height: 1.4;
    margin-bottom: 2px;
}

.chat-message-time {
    font-size: 0.65em;
    opacity: 0.7;
    text-align: right;
    margin-top: 2px;
}

.chat-input-area {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-shrink: 0;
}

#chatMessageInput {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    background: var(--input-bg);
    color: var(--text-color);
    font-size: 0.95em;
}

.chat-send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chat-panel-footer {
    padding: 8px 16px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-color);
    opacity: 0.7;
    flex-shrink: 0;
}

/* Индикатор печати */
.typing-indicator {
    padding: 4px 12px;
    margin: 4px 0;
    font-size: 0.8em;
    color: var(--text-color);
    opacity: 0.7;
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 6px;
    animation: fadeIn 0.2s;
}

.typing-indicator::after {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-color);
    animation: typingDot 1s infinite;
    margin-left: 4px;
}

@keyframes typingDot {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Модальное окно настроек чата */
.chat-settings-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    z-index: 2002;
    width: 90%;
    max-width: 360px;
    background: var(--card-bg);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    overflow: visible;        /* чтобы выпадающий список не обрезался */
}

.chat-settings-modal.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.chat-settings-content {
    display: flex;
    flex-direction: column;
    overflow: visible;
}

.chat-settings-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-settings-header h3 {
    margin: 0;
    color: var(--text-color);
}

.chat-settings-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.6;
}

.chat-settings-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow: visible;         /* чтобы выпадающий список не обрезался */
}

.setting-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9em;
}

.nick-change-row {
    display: flex;
    gap: 8px;
}

#settingsNickInput {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--input-bg);
    color: var(--text-color);
}

#applyNickBtn {
    padding: 0 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 500;
}

.current-nick-display {
    margin-top: 6px;
    font-size: 0.85em;
    opacity: 0.7;
}

.color-picker-row {
    display: flex;
    align-items: center;
    gap: 15px;
}

#nickColorPicker {
    width: 50px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
}

.color-preview {
    font-weight: 700;
    font-size: 1.2em;
    padding: 4px 12px;
    border-radius: 20px;
    background: var(--input-bg);
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 15px;
}

.slider-row input[type="range"] {
    flex: 1;
}

.reset-styles-btn {
    width: 100%;
    padding: 12px;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
}

#clearChatBtn {
    background: var(--primary-color);
}

/* Кастомный дропдаун анимаций */
.custom-select-wrapper {
    position: relative;
    width: 100%;
    overflow: visible !important;   /* гарантирует видимость выпадающего списка */
}

.custom-select-button {
    width: 100%;
    padding: 10px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-color);
    font-size: 0.9em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.custom-select-button:hover {
    border-color: var(--primary-color);
}

.custom-select-arrow {
    font-size: 10px;
    opacity: 0.6;
    transition: transform 0.2s;
}

.custom-select-button.active .custom-select-arrow {
    transform: rotate(180deg);
}

.custom-select-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    z-index: 2003;                /* выше модального окна */
    max-height: 200px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: all 0.2s ease;
    pointer-events: none;
    box-sizing: border-box;
}

.custom-select-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: all;
}

.custom-select-option {
    padding: 10px 14px;
    cursor: pointer;
    transition: background 0.2s;
    color: var(--text-color);
    font-size: 0.9em;
}

.custom-select-option:hover {
    background: var(--autocomplete-hover);
}

/* Анимации для ников */
.nick-rainbow {
    animation: rainbowText 3s linear infinite;
}

@keyframes rainbowText {
    0% { color: #ff0000; }
    17% { color: #ff8800; }
    33% { color: #ffff00; }
    50% { color: #00cc00; }
    67% { color: #0088ff; }
    83% { color: #8800ff; }
    100% { color: #ff0000; }
}

.nick-gradient {
    background: linear-gradient(90deg, #ff0080, #ff8c00, #40e0d0, #ff0080);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.nick-shine {
    position: relative;
    overflow: hidden;
}

.nick-shine::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    20% { left: 120%; }
    100% { left: 120%; }
}

.nick-pulse {
    animation: textPulse 2s ease-in-out infinite;
}

@keyframes textPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.nick-glowPulse {
    animation: glowPulse 2s infinite;
}

@keyframes glowPulse {
    0%, 100% { text-shadow: 0 0 5px currentColor; }
    50% { text-shadow: 0 0 15px currentColor, 0 0 25px currentColor; }
}

/* Анимации появления сообщений */
@keyframes messageAppear {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes messageAppearLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Анимация появления */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

#chatNickSetupInput {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--input-bg);
    color: var(--text-color);
    margin-bottom: 12px;
    text-align: center;
    box-sizing: border-box;
}
#chatNickSetupBtn {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    box-sizing: border-box;
}