/**
 * User Chat Interface Styles
 * Crisis Chat Application
 */

/* Chat Container */
.chat-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 100%;
    margin: 0 auto;
    background-color: var(--color-white);
}

/* ================================
   Landing Page Styles
   ================================ */
.landing-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
}

.landing-form-section {
    background-color: var(--color-white);
    padding: var(--spacing-8) var(--spacing-6);
    display: flex;
    justify-content: center;
}

.landing-content {
    max-width: 600px;
    width: 100%;
    text-align: center;
}

.landing-content h2 {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-6);
    line-height: var(--line-height-tight);
}

.landing-steps {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    margin-bottom: var(--spacing-5);
    box-shadow: var(--shadow-md);
    text-align: left;
}

.landing-steps h3 {
    color: var(--color-gray-800);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-4);
}

.landing-steps ol {
    margin: 0;
    padding-left: var(--spacing-5);
    counter-reset: step-counter;
    list-style: none;
}

.landing-steps ol li {
    position: relative;
    padding-left: var(--spacing-2);
    margin-bottom: var(--spacing-3);
    color: var(--color-gray-700);
    line-height: var(--line-height-relaxed);
    counter-increment: step-counter;
}

.landing-steps ol li::before {
    content: counter(step-counter);
    position: absolute;
    left: calc(-1 * var(--spacing-5));
    width: 24px;
    height: 24px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.landing-warning {
    background-color: #fff3e0;
    border-left: 4px solid #ff9800;
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    border-radius: var(--radius-md);
    text-align: left;
}

.landing-warning p {
    margin: 0;
    color: var(--color-gray-800);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.start-conversation-btn {
    padding: var(--spacing-3) var(--spacing-8);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
}

.start-conversation-btn:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ================================
   Contact Info Section (Middle Band)
   ================================ */
.contact-section {
    background-color: var(--color-band-middle);
    padding: var(--spacing-8) var(--spacing-6);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-content h3 {
    color: var(--color-primary-dark);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-6);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.contact-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary-dark);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.contact-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-800);
}

.contact-value {
    font-size: var(--font-size-base);
    color: var(--color-primary-dark);
    font-weight: var(--font-weight-medium);
}

.contact-value a {
    color: var(--color-primary-dark);
    text-decoration: none;
}

.contact-value a:hover {
    text-decoration: underline;
}

.social-icons {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-1);
}

.social-icon {
    width: 28px;
    height: 28px;
    color: var(--color-primary-dark);
    transition: transform var(--transition-fast);
}

.social-icon:hover {
    transform: scale(1.1);
}

/* ================================
   Bottom Band
   ================================ */
.bottom-band {
    background-color: var(--color-band-bottom);
    padding: var(--spacing-16) var(--spacing-6);
    flex: 1;
    min-height: 200px;
}

/* ================================
   Service Unavailable View
   ================================ */
.unavailable-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
    text-align: center;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.unavailable-content {
    max-width: 450px;
    padding: var(--spacing-6);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.unavailable-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-5);
    color: var(--color-warning-dark);
}

.unavailable-view h2 {
    color: var(--color-gray-800);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
}

.unavailable-view p {
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.unavailable-view .service-hours {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-4);
}

/* ================================
   Header Logo Enhancement
   ================================ */
.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.header-logo-img {
    height: 50px;
    width: auto;
}

/* Header */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-6);
    background-color: var(--color-white);
    color: var(--color-gray-800);
    border-bottom: 1px solid var(--color-gray-200);
}

.chat-header h1 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-800);
}

.language-toggle {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-white);
    background-color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.language-toggle:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* Registration Form */
.registration-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
}

.registration-form-section {
    background-color: var(--color-white);
    padding: var(--spacing-8) var(--spacing-6);
    display: flex;
    justify-content: center;
}

.registration-form {
    max-width: 600px;
    width: 100%;
}

.registration-form .form-group {
    margin-bottom: var(--spacing-5);
}

.registration-form label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
}

.registration-form input[type="text"] {
    width: 100%;
}

.registration-form .help-text {
    margin-top: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.registration-form .checkbox-wrapper {
    margin-bottom: var(--spacing-6);
}

.registration-form .checkbox-wrapper label {
    font-weight: var(--font-weight-normal);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.registration-form .checkbox-wrapper a {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.registration-form .checkbox-wrapper span {
    color: var(--color-primary-dark);
}

.start-chat-btn {
    padding: var(--spacing-3) var(--spacing-8);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-md);
}

.start-chat-btn:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.start-chat-btn:disabled {
    background-color: var(--color-gray-400);
    border-color: var(--color-gray-400);
}

/* Waiting Room */
.waiting-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
    text-align: center;
}

.waiting-view .spinner {
    width: 4rem;
    height: 4rem;
    margin-bottom: var(--spacing-6);
}

.waiting-view h2 {
    margin-bottom: var(--spacing-3);
    color: var(--color-gray-800);
}

.waiting-view p {
    color: var(--color-gray-600);
    max-width: 300px;
}

/* Chat View */
.chat-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 60px);
}

/* Messages Container */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-4);
    background-color: var(--color-gray-100);
    max-height: 700px;
    display: flex;
    flex-direction: column;
}

.messages-list {
    display: flex;
    flex-direction: column;
    margin-top: auto;
    gap: var(--spacing-3);
}

/* Message Bubble */
.message {
    max-width: 80%;
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    word-wrap: break-word;
    animation: messageAppear 0.2s ease-out;
}

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

.message-sent {
    align-self: flex-end;
    background-color: var(--color-user-message-bg);
    color: var(--color-user-message-text);
    border-bottom-right-radius: var(--radius-sm);
}

.message-received {
    align-self: flex-start;
    background-color: var(--color-agent-message-bg);
    color: var(--color-agent-message-text);
    border-bottom-left-radius: var(--radius-sm);
}

.message-system {
    align-self: center;
    max-width: 90%;
    background-color: var(--color-message-system);
    color: var(--color-message-system-text);
    font-size: var(--font-size-sm);
    text-align: center;
}

.message-content {
    margin-bottom: var(--spacing-1);
    line-height: var(--line-height-relaxed);
}

.message-content a {
    color: inherit;
    text-decoration: underline;
}

/* Thread Quote (reply in thread) */
.thread-quote {
    padding: var(--spacing-2) var(--spacing-3);
    margin-bottom: var(--spacing-2);
    background-color: rgba(0, 0, 0, 0.08);
    border-left: 3px solid var(--color-gray-400);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-style: italic;
    color: inherit;
    opacity: 0.85;
}

.message-sent .thread-quote {
    background-color: rgba(255, 255, 255, 0.15);
    border-left-color: rgba(255, 255, 255, 0.5);
}

.message-time {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

/* Message Footer */
.message-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2);
    font-size: var(--font-size-xs);
}

.message-sent .message-footer {
    justify-content: flex-end;
}

/* Reply Thread Button */
.reply-thread-btn {
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: underline;
    opacity: 0.8;
}

.reply-thread-btn:hover {
    color: var(--color-primary-dark);
    opacity: 1;
}

/* Thread Preview (reply in thread) */
.thread-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    margin-bottom: var(--spacing-2);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.thread-preview.hidden {
    display: none;
}

.thread-preview-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-gray-600);
}

.thread-preview-close {
    padding: var(--spacing-1);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-500);
    line-height: 1;
    font-size: var(--font-size-lg);
}

.thread-preview-close:hover {
    color: var(--color-gray-700);
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    color: var(--color-success);
    font-size: var(--font-size-sm);
    font-style: italic;
}

.typing-dots {
    display: flex;
    gap: 3px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background-color: var(--color-success);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) { animation-delay: 0s; }
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Message Input */
.message-input-container {
    padding: var(--spacing-3) var(--spacing-4);
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
}

.message-form {
    display: flex;
    gap: var(--spacing-3);
    align-items: flex-end;
}

.message-input-wrapper {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-2);
}

/* Emoji Picker */
.emoji-select {
    padding: var(--spacing-2);
    font-size: var(--font-size-lg);
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    flex-shrink: 0;
}

.emoji-select:hover {
    background-color: var(--color-gray-200);
}

.emoji-select:focus {
    border-color: var(--color-primary);
    outline: none;
}

.message-input {
    flex: 1;
    min-height: 44px;
    max-height: 120px;
    padding: var(--spacing-3);
    resize: none;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
}

.message-input:focus {
    border-color: var(--color-primary);
    box-shadow: var(--input-focus-shadow);
}

.send-btn {
    width: 44px;
    height: 44px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border: none;
    border-radius: 50%;
    color: var(--color-white);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.send-btn:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    transform: scale(1.05);
}

.send-btn:disabled {
    background-color: var(--color-gray-400);
    cursor: not-allowed;
}

.send-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Action Buttons */
.chat-actions {
    display: flex;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
}

.end-chat-btn {
    flex: 1;
    padding: var(--spacing-3);
}

.quick-exit-btn {
    flex: 1;
    padding: var(--spacing-3);
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    font-weight: var(--font-weight-bold);
}

.quick-exit-btn:hover {
    background-color: var(--color-danger-dark);
    border-color: var(--color-danger-dark);
}

/* Chat Ended View */
.chat-ended-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
    text-align: center;
}

.chat-ended-view .icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-4);
    color: var(--color-success);
}

.chat-ended-view h2 {
    margin-bottom: var(--spacing-2);
}

.chat-ended-view p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-6);
}

/* Responsive */
@media (max-width: 576px) {
    .chat-app {
        max-width: 100%;
    }

    .landing-form-section,
    .registration-form-section {
        padding: var(--spacing-4);
    }

    .contact-section {
        padding: var(--spacing-6) var(--spacing-4);
    }

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

    .message {
        max-width: 90%;
    }

    .chat-actions {
        flex-direction: column;
    }

    .bottom-band {
        min-height: 100px;
        padding: var(--spacing-8) var(--spacing-4);
    }
}

/* Confirmation Modal */
.confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.confirm-modal.hidden {
    display: none;
}

.confirm-modal-content {
    background-color: var(--color-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.confirm-modal-content p {
    margin: 0 0 var(--spacing-5) 0;
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
    line-height: var(--line-height-relaxed);
}

.confirm-modal-buttons {
    display: flex;
    gap: var(--spacing-3);
    justify-content: center;
}

.confirm-modal-buttons .btn {
    min-width: 80px;
    padding: var(--spacing-2) var(--spacing-4);
}

/* Hide view utility */
.view-hidden {
    display: none !important;
}