/**
 * CityAI Assistant Frontend Styles
 * @package CityAI_Assistant
 * @since 1.0.0
 */

:root {
    --cityai-primary: #1A5276;
    --cityai-secondary: #2E86AB;
    --cityai-text: #333333;
    --cityai-text-light: #666666;
    --cityai-bg: #f5f7fa;
    --cityai-white: #ffffff;
    --cityai-border: #e0e0e0;
    --cityai-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --cityai-radius: 16px;
}

/* Widget Container */
.cityai-widget {
    position: fixed;
    z-index: 99999;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

.cityai-position-bottom-right { bottom: 20px; right: 20px; }
.cityai-position-bottom-left { bottom: 20px; left: 20px; }

/* Toggle Button */
.cityai-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--cityai-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.cityai-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.cityai-toggle-icon { font-size: 28px; }

.cityai-toggle-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background: #e74c3c;
    border-radius: 50%;
    display: none;
}

/* Chat Container */
.cityai-container {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    max-height: 600px;
    background: var(--cityai-white);
    border-radius: var(--cityai-radius);
    box-shadow: var(--cityai-shadow);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: cityai-slide-up 0.3s ease;
}

.cityai-container[aria-hidden="false"] { display: flex; }

@keyframes cityai-slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Header */
.cityai-header {
    padding: 16px 20px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.cityai-header-icon { font-size: 24px; }

.cityai-header-text { line-height: 1.3; }

.cityai-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.cityai-status {
    font-size: 12px;
    opacity: 0.9;
}

.cityai-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0.8;
}

.cityai-close:hover { opacity: 1; }

/* Alerts */
.cityai-alerts {
    max-height: 80px;
    overflow-y: auto;
    background: #fff3cd;
    border-bottom: 1px solid #ffc107;
    display: none;
}

.cityai-alerts:not(:empty) { display: block; }

.cityai-alert-item {
    padding: 10px 16px;
    font-size: 13px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.cityai-alert-item:last-child { border-bottom: none; }

/* Messages */
.cityai-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    min-height: 300px;
    max-height: 400px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cityai-welcome {
    background: var(--cityai-bg);
    padding: 16px;
    border-radius: 12px;
    text-align: center;
    color: var(--cityai-text-light);
}

.cityai-message {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: 16px;
    word-wrap: break-word;
}

.cityai-message-user {
    background: var(--cityai-primary);
    color: #fff;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.cityai-message-assistant {
    background: var(--cityai-bg);
    color: var(--cityai-text);
    margin-right: auto;
    border-bottom-left-radius: 4px;
}

.cityai-message-sources {
    font-size: 12px;
    color: var(--cityai-text-light);
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--cityai-border);
}

.cityai-feedback {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    font-size: 12px;
}

.cityai-feedback button {
    background: none;
    border: 1px solid var(--cityai-border);
    padding: 4px 12px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 12px;
}

.cityai-feedback button:hover { background: var(--cityai-bg); }

/* Typing Indicator */
.cityai-typing {
    padding: 0 16px;
    display: none;
    align-items: center;
    gap: 4px;
}

.cityai-typing span {
    width: 8px;
    height: 8px;
    background: var(--cityai-primary);
    border-radius: 50%;
    animation: cityai-bounce 1.4s infinite ease-in-out;
}

.cityai-typing span:nth-child(1) { animation-delay: -0.32s; }
.cityai-typing span:nth-child(2) { animation-delay: -0.16s; }

@keyframes cityai-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Input Area */
.cityai-input-area {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--cityai-border);
    background: var(--cityai-white);
}

.cityai-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--cityai-border);
    border-radius: 24px;
    resize: none;
    font-family: inherit;
    font-size: 14px;
    max-height: 100px;
}

.cityai-input:focus {
    outline: none;
    border-color: var(--cityai-primary);
}

.cityai-send {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: transform 0.2s ease;
}

.cityai-send:hover { transform: scale(1.05); }
.cityai-send:disabled { opacity: 0.5; cursor: not-allowed; }

/* Footer */
.cityai-footer {
    padding: 8px 16px;
    text-align: center;
    font-size: 11px;
    color: var(--cityai-text-light);
    border-top: 1px solid var(--cityai-border);
}

/* Embedded Chat */
.cityai-embedded {
    border: 1px solid var(--cityai-border);
    border-radius: var(--cityai-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.cityai-embedded .cityai-messages { min-height: auto; flex: 1; }

/* Accessibility */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Focus styles */
.cityai-toggle:focus,
.cityai-close:focus,
.cityai-send:focus,
.cityai-input:focus {
    outline: 2px solid var(--cityai-primary);
    outline-offset: 2px;
}

/* Responsive */
@media (max-width: 480px) {
    .cityai-container {
        width: 100vw;
        height: 100vh;
        max-height: 100vh;
        bottom: 0;
        right: 0;
        border-radius: 0;
        position: fixed;
    }
    
    .cityai-messages { max-height: none; flex: 1; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .cityai-container { animation: none; }
    .cityai-toggle { transition: none; }
    .cityai-typing span { animation: none; }
}

/* Alerts List Shortcode */
.cityai-alerts-list {
    margin: 20px 0;
}

.cityai-alert-box {
    padding: 16px 20px;
    margin-bottom: 12px;
    border-radius: 8px;
    border-left: 4px solid var(--cityai-primary);
    background: #f8f9fa;
}

.cityai-alert-box.cityai-alert-emergency {
    background: #fee2e2;
    border-left-color: #dc2626;
}

.cityai-alert-box.cityai-alert-meeting {
    background: #dbeafe;
    border-left-color: #2563eb;
}

.cityai-alert-box.cityai-alert-deadline {
    background: #fef3c7;
    border-left-color: #d97706;
}

.cityai-alert-box.cityai-alert-event {
    background: #d1fae5;
    border-left-color: #059669;
}

.cityai-alert-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 6px;
    color: #1f2937;
}

.cityai-alert-content {
    font-size: 14px;
    color: #4b5563;
    line-height: 1.5;
}

.cityai-no-alerts {
    color: #6b7280;
    font-style: italic;
    padding: 20px 0;
}

/* Poll Shortcode */
.cityai-poll {
    padding: 24px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    max-width: 500px;
}

.cityai-poll-question {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1f2937;
}

.cityai-poll-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.cityai-poll-btn {
    padding: 12px 24px;
    border: 2px solid var(--cityai-primary);
    background: #fff;
    color: var(--cityai-primary);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cityai-poll-btn:hover {
    background: var(--cityai-primary);
    color: #fff;
}

.cityai-poll-btn.cityai-poll-rating {
    width: 50px;
    padding: 12px;
    text-align: center;
}

.cityai-poll-text {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    min-height: 80px;
    margin-bottom: 10px;
}

.cityai-poll-submit {
    padding: 12px 24px;
    background: var(--cityai-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.cityai-poll-submit:hover {
    opacity: 0.9;
}

.cityai-poll-thanks {
    padding: 20px;
    text-align: center;
    color: #059669;
    font-weight: 600;
    font-size: 16px;
}

/* Quick Question Shortcode */
.cityai-quick-question {
    max-width: 600px;
    margin: 20px 0;
}

.cityai-quick-input-wrap {
    display: flex;
    gap: 10px;
}

.cityai-quick-input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.2s ease;
}

.cityai-quick-input:focus {
    outline: none;
    border-color: var(--cityai-primary);
}

.cityai-quick-send {
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.cityai-quick-send:hover {
    opacity: 0.9;
}

.cityai-quick-answer {
    margin-top: 16px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    line-height: 1.6;
    display: none;
}

.cityai-quick-answer:not(:empty) {
    display: block;
}

.cityai-loading {
    color: #6b7280;
    padding: 20px;
    text-align: center;
}