* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
}

body {
    background: #6b7a8a;
    min-height: 100vh;
    display: flex;
    align-items: stretch;
}

/* Анимации */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Аутентификация */
.auth-wrapper {
    width: 100%;
    min-height: 100vh;
    background: #6b7a8a;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.auth-container {
    background: #5a6a7a;
    border-radius: 32px;
    padding: 48px 40px;
    width: 100%;
    max-width: 460px;
    border: 2px solid #8a9aaa;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    animation: fadeIn 0.5s ease;
}

.auth-logo {
    text-align: center;
    margin-bottom: 36px;
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.auth-logo i {
    color: #c8d8e8;
    margin-right: 12px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    text-transform: uppercase;
    color: #d0dce8;
    letter-spacing: 1px;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    background: #4a5a6a;
    border: 2px solid #7a8a9a;
    border-radius: 16px;
    padding: 14px 18px;
    color: #ffffff;
    font-size: 16px;
    outline: none;
    transition: all 0.2s;
}

.form-input:focus {
    border-color: #aabbcc;
    background: #3a4a5a;
    box-shadow: 0 0 0 4px rgba(170, 187, 204, 0.15);
}

.form-input::placeholder {
    color: #8a9aaa;
}

.btn {
    background: #4a5a6a;
    border: 2px solid #7a8a9a;
    color: #ffffff;
    padding: 14px 28px;
    border-radius: 60px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn:hover {
    background: #3a4a5a;
    border-color: #8a9aaa;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.btn i {
    color: #c8d8e8;
}

.btn-primary {
    background: #3a4a5a;
    border-color: #7a8a9a;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px solid #7a8a9a;
    color: #d0dce8;
    font-size: 14px;
}

.auth-footer a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.auth-footer a:hover {
    color: #c8d8e8;
}

.alert {
    padding: 14px 18px;
    border-radius: 16px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    animation: fadeIn 0.3s ease;
    border: 2px solid;
}

.alert-error {
    background: #6a4a4a;
    border-color: #8a6a6a;
    color: #ffcccc;
}

.alert-success {
    background: #4a6a4a;
    border-color: #6a8a6a;
    color: #ccffcc;
}

/* Мессенджер */
.site-wrapper {
    width: 100%;
    min-height: 100vh;
    background: #6b7a8a;
    padding: 28px 36px 36px 36px;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 2px solid #8a9aaa;
    flex-wrap: wrap;
    gap: 12px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-badge {
    background: #5a6a7a;
    color: #ffffff;
    font-weight: 700;
    font-size: 24px;
    letter-spacing: 0.5px;
    padding: 8px 28px 8px 24px;
    border-radius: 60px;
    border-left: 6px solid #aabbcc;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.logo-badge i {
    margin-right: 12px;
    color: #c8d8e8;
}

.server-tag {
    background: #5a6a7a;
    color: #ffffff;
    padding: 8px 24px;
    border-radius: 60px;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid #8a9aaa;
}

.top-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.top-btn {
    background: #5a6a7a;
    border: 2px solid #8a9aaa;
    color: #ffffff;
    padding: 8px 22px;
    border-radius: 60px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: 0.2s;
    text-decoration: none;
}

.top-btn i {
    color: #c8d8e8;
}

.top-btn:hover {
    background: #7a8a9a;
    border-color: #aabbcc;
}

.top-btn.primary {
    background: #4a5a6a;
    border-color: #7a8a9a;
}

.dashboard {
    display: flex;
    gap: 32px;
    margin-top: 28px;
    flex-wrap: wrap;
    flex: 1;
}

.sidebar {
    flex: 0 0 280px;
    background: #5a6a7a;
    border-radius: 32px;
    padding: 24px 10px 24px 20px;
    border: 2px solid #8a9aaa;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.10);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 200px);
}

.menu-group {
    margin-bottom: 20px;
}

.group-title {
    color: #d0dce8;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    padding: 0 8px 12px 8px;
    border-bottom: 2px solid #7a8a9a;
    margin-bottom: 12px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    margin: 4px 0;
    border-radius: 18px;
    color: #ffffff;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border-left: 4px solid transparent;
    transition: all 0.15s;
}

.menu-item i {
    width: 20px;
    color: #c8d8e8;
    text-align: center;
}

.menu-item.active {
    background: #4a5a6a;
    border-left: 4px solid #aabbcc;
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.15);
}

.menu-item:hover {
    background: #4a5a6a;
}

.badge {
    margin-left: auto;
    background: #7a8a9a;
    color: #ffffff;
    font-size: 12px;
    padding: 2px 12px;
    border-radius: 40px;
    font-weight: 600;
}

.friends-list {
    overflow-y: auto;
    flex: 1;
    margin: 10px 0;
}

.friend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    margin: 2px 0;
    border-radius: 14px;
    color: #ffffff;
    font-size: 14px;
    cursor: pointer;
    transition: 0.15s;
}

.friend-item:hover {
    background: #4a5a6a;
}

.friend-item.active {
    background: #4a5a6a;
    border-left: 3px solid #aabbcc;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #7a8a9a;
    margin-left: auto;
}

.status-dot.online {
    background: #8aba8a;
}

.content {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
}

.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #5a6a7a;
    border-radius: 32px;
    border: 2px solid #8a9aaa;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.chat-header {
    padding: 16px 24px;
    background: #4a5a6a;
    border-bottom: 2px solid #7a8a9a;
    color: #ffffff;
    font-weight: 600;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-header i {
    color: #c8d8e8;
}

.messages-container {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    display: flex;
    gap: 12px;
    animation: slideIn 0.3s ease;
    max-width: 80%;
}

.message.own {
    margin-left: auto;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    background: #4a5a6a;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c8d8e8;
    font-weight: 600;
    flex-shrink: 0;
    border: 2px solid #7a8a9a;
}

.message-content {
    background: #4a5a6a;
    padding: 12px 18px;
    border-radius: 18px;
    border: 2px solid #7a8a9a;
    color: #ffffff;
}

.message.own .message-content {
    background: #3a4a5a;
    border-color: #6a7a8a;
}

.message-author {
    font-weight: 600;
    font-size: 13px;
    color: #c8d8e8;
    margin-bottom: 4px;
}

.message-text {
    font-size: 15px;
    line-height: 1.5;
    color: #ffffff;
}

.message-time {
    font-size: 11px;
    color: #8a9aaa;
    margin-top: 4px;
    text-align: right;
}

.message-input-area {
    padding: 16px 24px;
    background: #4a5a6a;
    border-top: 2px solid #7a8a9a;
    display: flex;
    gap: 12px;
}

.message-input {
    flex: 1;
    background: #3a4a5a;
    border: 2px solid #6a7a8a;
    border-radius: 16px;
    padding: 12px 18px;
    color: #ffffff;
    font-size: 15px;
    outline: none;
}

.message-input:focus {
    border-color: #8a9aaa;
}

.message-input::placeholder {
    color: #8a9aaa;
}

.send-btn {
    background: #3a4a5a;
    border: 2px solid #6a7a8a;
    border-radius: 16px;
    padding: 12px 24px;
    color: #ffffff;
    cursor: pointer;
    font-weight: 600;
    transition: 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.send-btn:hover {
    background: #2a3a4a;
    border-color: #7a8a9a;
}

.send-btn i {
    color: #c8d8e8;
}

/* Правая панель */
.detail-panel {
    flex: 0 0 260px;
    background: #5a6a7a;
    border-radius: 32px;
    padding: 24px 16px;
    border: 2px solid #8a9aaa;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.user-profile {
    text-align: center;
    padding: 16px;
    background: #4a5a6a;
    border-radius: 24px;
    border: 2px solid #7a8a9a;
}

.user-profile .username {
    font-weight: 700;
    font-size: 20px;
    color: #ffffff;
}

.user-profile .tag {
    color: #aabbcc;
    font-size: 14px;
    margin-top: 4px;
}

.add-friend-area {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.add-friend-input {
    width: 100%;
    background: #4a5a6a;
    border: 2px solid #7a8a9a;
    border-radius: 14px;
    padding: 10px 14px;
    color: #ffffff;
    font-size: 14px;
    outline: none;
}

.add-friend-input::placeholder {
    color: #8a9aaa;
}

.action-btn {
    width: 100%;
    background: #4a5a6a;
    border: 2px solid #7a8a9a;
    color: #ffffff;
    padding: 10px 16px;
    border-radius: 14px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.action-btn:hover {
    background: #3a4a5a;
    border-color: #8a9aaa;
}

.action-btn.accept {
    background: #4a6a4a;
    border-color: #6a8a6a;
}

.action-btn.decline {
    background: #6a4a4a;
    border-color: #8a6a6a;
}

.requests-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.request-item {
    background: #4a5a6a;
    padding: 10px 14px;
    border-radius: 14px;
    border: 2px solid #7a8a9a;
    color: #ffffff;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.request-actions {
    display: flex;
    gap: 4px;
}

.request-actions button {
    background: none;
    border: 2px solid #7a8a9a;
    color: #ffffff;
    width: 30px;
    height: 30px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.request-actions button:hover {
    background: #3a4a5a;
}

.request-actions .accept-btn:hover {
    background: #4a6a4a;
    border-color: #6a8a6a;
}

.request-actions .decline-btn:hover {
    background: #6a4a4a;
    border-color: #8a6a6a;
}

.footer-meta {
    margin-top: auto;
    color: #d0dce8;
    font-size: 14px;
    border-top: 2px solid #7a8a9a;
    padding-top: 16px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-meta span {
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-meta i {
    color: #c8d8e8;
}

/* Модальное окно */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    background: #5a6a7a;
    border-radius: 24px;
    padding: 28px;
    max-width: 400px;
    width: 90%;
    border: 2px solid #8a9aaa;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.3s ease;
}

.modal-box h3 {
    color: #ffffff;
    margin-bottom: 16px;
    font-size: 20px;
}

.modal-box p {
    color: #d0dce8;
    margin-bottom: 16px;
}

.hint-text {
    color: #aabbcc;
    font-size: 12px;
    margin-top: 6px;
    text-align: center;
}

/* Адаптивность */
@media (max-width: 900px) {
    .dashboard {
        flex-direction: column;
    }
    .sidebar {
        flex: 1 1 auto;
        max-height: none;
    }
    .detail-panel {
        flex: 1 1 auto;
    }
    .site-wrapper {
        padding: 16px;
    }
}

@media (max-width: 600px) {
    .topbar {
        flex-direction: column;
        align-items: stretch;
    }
    .message {
        max-width: 95%;
    }
}