/* General Styles */
body {
    background-color: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

/* Navigation */
.navbar {
    background-color: var(--tg-theme-bg-color, #ffffff) !important;
    border-bottom: 1px solid var(--tg-theme-hint-color, #999999);
}

.navbar-brand, .nav-link {
    color: var(--tg-theme-text-color, #000000) !important;
}

/* Ticket Status Colors */
.status-open {
    color: #28a745;
}

.status-in-work {
    color: #007bff;
}

.status-done {
    color: #6f42c1;
}

.status-closed {
    color: #6c757d;
}

/* Chat Messages */
.chat-messages {
    max-height: 320px;
    overflow-y: auto;
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: var(--tg-theme-secondary-bg-color, #f8f9fa);
    border-radius: 0.5rem;
}

.message {
    margin-bottom: 1rem;
    padding: 0.75rem;
    border-radius: 0.5rem;
    max-width: 80%;
}

.message-user {
    background-color: var(--tg-theme-button-color, #2481cc);
    color: var(--tg-theme-button-text-color, #ffffff);
    margin-left: auto;
}

.message-operator {
    background-color: var(--tg-theme-bg-color, #ffffff);
    border: 1px solid var(--tg-theme-hint-color, #999999);
    margin-right: auto;
}

.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.message-content {
    word-break: break-word;
}

/* Form Elements */
.form-control {
    background-color: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    border-color: var(--tg-theme-hint-color, #999999);
}

.form-control:focus {
    background-color: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    border-color: var(--tg-theme-button-color, #2481cc);
    box-shadow: 0 0 0 0.2rem rgba(36, 129, 204, 0.25);
}

.btn-primary {
    background-color: var(--tg-theme-button-color, #2481cc);
    border-color: var(--tg-theme-button-color, #2481cc);
    color: var(--tg-theme-button-text-color, #ffffff);
}

.btn-primary:hover {
    background-color: var(--tg-theme-button-color, #1a6aa3);
    border-color: var(--tg-theme-button-color, #1a6aa3);
}

/* Ticket List */
.list-group-item {
    background-color: var(--tg-theme-bg-color, #ffffff);
    border-color: var(--tg-theme-hint-color, #999999);
    margin-bottom: 0.5rem;
    border-radius: 0.5rem !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0.5rem;
    }

    .message {
        max-width: 90%;
    }
}

.file-message {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

.file-message i {
    font-size: 1.2em;
    color: #666;
}

.file-message span {
    color: #666;
    word-break: break-all;
}

.message-user .file-message {
    background-color: rgba(0, 123, 255, 0.1);
}

.message-operator .file-message {
    background-color: rgba(40, 167, 69, 0.1);
}

.file-name {
    padding: 0.375rem 0.75rem;
    margin: 0 0.5rem;
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    color: #495057;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.input-group-append {
    display: flex;
    align-items: center;
}

.input-group-append .btn {
    margin-left: 0.25rem;
}

.attach-file-btn {
    display: flex;
    align-items: center;
    background: #f1f3f4;
    border-radius: 20px;
    padding: 0.25rem 0.75rem;
    margin-right: 0.5rem;
    cursor: pointer;
    border: 1px solid #ced4da;
    transition: background 0.2s, border 0.2s;
}
.attach-file-btn:hover {
    background: #e2e6ea;
    border-color: #007bff;
}
.attach-file-btn label {
    margin: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    font-weight: 500;
    color: #007bff;
}
.attach-file-btn .bi-paperclip {
    font-size: 1.2em;
    margin-right: 0.3em;
}
.attach-text {
    font-size: 1em;
    margin-left: 0.1em;
}

.message-input-rounded {
    border-top-right-radius: 1.5rem;
    border-bottom-right-radius: 1.5rem;
}

.add-file-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.add-file-btn .bi-paperclip {
    font-size: 1.2em;
    margin-right: 0.5em;
}

.input-group {
    gap: 0.5rem;
    flex-direction: column;
    align-items: stretch;
}

.input-group > .file-name {
    margin-bottom: 0.5rem;
}

.input-group > div {
    gap: 0.5rem;
}


@media (prefers-color-scheme: dark) {
    body, .container, .list-group-item, .ticket-detail, .chat-messages {
        background-color: #18191a !important;
        color: #f1f1f1 !important;
    }

    h2, h5, .navbar, .navbar-brand, .nav-link, .ticket-info p, .message-header strong, .message-content {
        color: #f1f1f1 !important;
    }

    small, .ticket-info small, .list-group-item small, .file-name {
        color: #b0b3b8 !important;
    }

    .list-group-item {
        background: #242526 !important;
        border-color: #333 !important;
    }

    input, textarea, .form-control {
        background: #242526 !important;
        color: #f1f1f1 !important;
        border-color: #333 !important;
    }

    input::placeholder, textarea::placeholder {
        color: #b0b3b8 !important;
    }

    .btn-primary, .add-file-btn {
        background-color: #3578e5 !important;
        border-color: #3578e5 !important;
        color: #fff !important;
    }

    .btn-primary:active, .btn-primary:focus, .btn-primary:hover {
        background-color: #2851a3 !important;
        border-color: #2851a3 !important;
    }

    .file-message {
        background: #23272b !important;
        color: #f1f1f1 !important;
    }
  }

body, .container, .list-group-item, .ticket-detail, .chat-messages {
    background-color: var(--tg-theme-bg-color, #fff) !important;
    color: var(--tg-theme-text-color, #222) !important;
}

h2, h5, .navbar, .navbar-brand, .nav-link, .ticket-info p, .message-header strong, .message-content {
    color: var(--tg-theme-text-color, #222) !important;
}

small, .ticket-info small, .list-group-item small, .file-name {
    color: var(--tg-theme-hint-color, #888) !important;
}

.list-group-item {
    background: var(--tg-theme-secondary-bg-color, #f8f9fa) !important;
    border-color: var(--tg-theme-hint-color, #eee) !important;
}

input, textarea, .form-control {
    background: var(--tg-theme-secondary-bg-color, #f8f9fa) !important;
    color: var(--tg-theme-text-color, #222) !important;
    border-color: var(--tg-theme-hint-color, #eee) !important;
}

input::placeholder, textarea::placeholder {
    color: var(--tg-theme-hint-color, #888) !important;
}

.btn-primary, .add-file-btn {
    background-color: var(--tg-theme-button-color, #3578e5) !important;
    border-color: var(--tg-theme-button-color, #3578e5) !important;
    color: var(--tg-theme-button-text-color, #fff) !important;
}

.btn-primary:active, .btn-primary:focus, .btn-primary:hover {
    background-color: var(--tg-theme-button-color, #2851a3) !important;
    border-color: var(--tg-theme-button-color, #2851a3) !important;
}

.file-message {
    background: var(--tg-theme-secondary-bg-color, #f8f9fa) !important;
    color: var(--tg-theme-text-color, #222) !important;
}

.main-nav-btns {
    display: flex!important;
    flex-direction: row!important;
    gap: 0.5rem!important;
    margin-bottom: 1rem!important;
    justify-content: center!important;
}

.main-nav-btns .nav-btn {
    font-size: 0.8rem;
    padding: 0.5rem 0.8rem;
    border-radius: 1rem;
    font-weight: 500;
    min-width: 0;
    flex: 1 1 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    transition: background 0.2s, color 0.2s, border 0.2s;
    white-space: nowrap;
}

.main-nav-btns .nav-btn.active, .main-nav-btns .nav-btn:active, .main-nav-btns .nav-btn:focus {
    background-color: var(--tg-theme-button-color, #2851a3) !important;
    color: var(--tg-theme-button-text-color, #fff) !important;
    border-color: var(--tg-theme-button-color, #2851a3) !important;
}

.btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #545b62;
}

.btn-secondary.active, .btn-secondary:active, .btn-secondary:focus {
    background-color: #545b62 !important;
    border-color: #4e555b !important;
    box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5) !important;
}

.btn-success {
    background-color: #28a745;
    border-color: #28a745;
    color: #ffffff;
}

.btn-success:hover {
    background-color: #218838;
    border-color: #1e7e34;
}

.btn-success.active, .btn-success:active, .btn-success:focus {
    background-color: #1e7e34 !important;
    border-color: #1c7430 !important;
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5) !important;
}

.app-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}


.btn-danger {
    background-color: #dc3545 !important;
    border-color: #dc3545 !important;
    color: #fff !important;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.65rem 1rem;
    border-radius: 1rem;
    margin-top: 1rem;
}

.btn-danger:active, .btn-danger:focus, .btn-danger:hover {
    background-color: #b52a37 !important;
    border-color: #b52a37 !important;
    color: #fff !important;
}