/* GTFS Q&A Frontend Styles */
:root {
    --gtfs-navy: #0A192F;
    --gtfs-orange: #FF6B00;
    --gtfs-teal: #00A896;
    --gtfs-bg: #F4F7F6;
    --gtfs-card-bg: #FFFFFF;
    --gtfs-text: #333333;
    --gtfs-text-light: #666666;
    --gtfs-border: #E0E0E0;
}

.gtfs-qna-container {
    max-width: 600px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--gtfs-text);
    background: var(--gtfs-bg);
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

.gtfs-qna-container * {
    box-sizing: border-box;
}

.gtfs-qna-view {
    display: none;
}

.gtfs-qna-view.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

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

/* Typography */
.gtfs-qna-container h2 {
    color: var(--gtfs-navy);
    margin-top: 0;
    margin-bottom: 10px;
}

.gtfs-header {
    margin-bottom: 25px;
    text-align: center;
}

.gtfs-header h2 {
    font-size: 24px;
}

.gtfs-header p {
    color: var(--gtfs-text-light);
    margin: 0;
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--gtfs-navy);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--gtfs-border);
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--gtfs-teal);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 168, 150, 0.2);
}

/* Buttons */
.gtfs-btn {
    display: inline-block;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: background-color 0.2s, transform 0.1s;
}

.gtfs-btn:active {
    transform: scale(0.98);
}

.gtfs-btn-primary {
    background-color: var(--gtfs-orange);
    color: #fff;
}

.gtfs-btn-primary:hover {
    background-color: #e66000;
}

.gtfs-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

/* Sessions List */
.gtfs-session-card {
    background: var(--gtfs-card-bg);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    border-left: 4px solid var(--gtfs-border);
}

.gtfs-session-card.active-session {
    border-left-color: var(--gtfs-teal);
}

.gtfs-session-card h3 {
    margin: 0 0 5px 0;
    font-size: 18px;
    color: var(--gtfs-navy);
}

.gtfs-session-speaker {
    font-size: 14px;
    color: var(--gtfs-text-light);
    margin-bottom: 10px;
}

.gtfs-session-time {
    font-size: 12px;
    color: var(--gtfs-text-light);
    margin-bottom: 15px;
}

.gtfs-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
}

.gtfs-badge-active {
    background-color: rgba(0, 168, 150, 0.1);
    color: var(--gtfs-teal);
}

.gtfs-badge-inactive {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--gtfs-text-light);
}

.gtfs-question-form {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--gtfs-border);
}

/* Utilities */
.gtfs-error {
    color: #d32f2f;
    margin-top: 10px;
    font-size: 14px;
    text-align: center;
}

.gtfs-success {
    color: var(--gtfs-teal);
    margin-top: 10px;
    font-size: 14px;
    text-align: center;
}

.spinner {
    width: 40px;
    height: 40px;
    margin: 20px auto;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--gtfs-teal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#gtfs-qna-loading {
    text-align: center;
    padding-top: 50px;
}