/**
 * Frontend Questionnaire Styles
 *
 * Mobile-first, trauma-informed design
 * High contrast, large touch targets, accessibility-first
 * Phase 4: Location Service & Frontend Foundation
 */

/* ========================================
   BASE STYLES
   ======================================== */

.questionnaire-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    line-height: 1.6;
}

/* ========================================
   HEADER
   ======================================== */

.questionnaire-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
}

.questionnaire-title {
    font-size: 2em;
    color: #2c3e50;
    margin: 0 0 15px 0;
    font-weight: 700;
}

.questionnaire-description {
    font-size: 1.1em;
    color: #555;
    line-height: 1.6;
    margin-bottom: 0;
}

.volunteer-mode-notice {
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    padding: 12px 15px;
    margin-top: 15px;
    font-size: 0.95em;
    color: #1565c0;
    border-radius: 4px;
}

.volunteer-mode-notice .dashicons {
    vertical-align: middle;
    margin-right: 5px;
}

/* ========================================
   WELCOME SECTION
   ======================================== */

.questionnaire-welcome {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: center;
}

.questionnaire-welcome h3 {
    color: #2c3e50;
    margin-top: 0;
    font-size: 1.5em;
    font-weight: 600;
}

.questionnaire-welcome p {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 0;
    line-height: 1.6;
}

/* ========================================
   LOCATION SELECTION FORM
   ======================================== */

.location-selection-form {
    background: #ffffff;
    padding: 30px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.location-method {
    margin-bottom: 30px;
}

.location-method h4 {
    font-size: 1.3em;
    color: #2c3e50;
    margin-top: 0;
    margin-bottom: 10px;
    font-weight: 600;
}

.location-method h4 .dashicons {
    color: #4CAF50;
    vertical-align: middle;
    margin-right: 8px;
    width: 24px;
    height: 24px;
    font-size: 24px;
}

.method-description {
    color: #666;
    margin-bottom: 20px;
    font-size: 1.05em;
}

/* ========================================
   FORM INPUTS
   ======================================== */

.address-input,
.conference-select {
    width: 100%;
    padding: 15px;
    font-size: 1.1em;
    border: 2px solid #ddd;
    border-radius: 6px;
    transition: all 0.3s ease;
    background: white;
    box-sizing: border-box;
}

.address-input:focus,
.conference-select:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.address-input::placeholder {
    color: #999;
}

.help-text {
    font-size: 0.9em;
    color: #888;
    margin-top: 8px;
    margin-bottom: 8px;
    font-style: italic;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    padding: 15px 30px;
    font-size: 1.1em;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    min-height: 44px; /* Touch target size */
}

.btn-primary {
    background: #4CAF50;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn-primary:focus {
    outline: 3px solid rgba(76, 175, 80, 0.5);
    outline-offset: 2px;
}

.btn-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
    box-shadow: none;
}

.btn-large {
    width: 100%;
    padding: 18px;
    font-size: 1.3em;
}

.btn-lookup-address {
    margin-top: 15px;
    width: 100%;
}

/* Button loading states */
.btn .btn-loading {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loading {
    display: inline-block;
}

.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   DIVIDERS
   ======================================== */

.or-divider {
    text-align: center;
    margin: 30px 0;
    position: relative;
}

.or-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #ddd;
}

.or-divider span {
    background: white;
    padding: 0 15px;
    position: relative;
    color: #999;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9em;
}

/* ========================================
   BEGIN BUTTON CONTAINER
   ======================================== */

.begin-button-container {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

.privacy-notice {
    margin-top: 15px;
    font-size: 0.9em;
    color: #777;
    font-style: italic;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   MESSAGES & ALERTS
   ======================================== */

.address-result,
.address-error,
.questionnaire-error-container,
.questionnaire-success {
    padding: 15px;
    border-radius: 6px;
    margin-top: 15px;
}

.address-result,
.questionnaire-success {
    background: #e8f5e9;
    border: 1px solid #4CAF50;
    color: #2e7d32;
}

.address-error,
.questionnaire-error-container {
    background: #ffebee;
    border: 1px solid #f44336;
    color: #c62828;
}

.questionnaire-success {
    text-align: center;
    padding: 40px 20px;
    margin: 20px 0;
}

.questionnaire-success h3 {
    margin-top: 0;
    color: #2e7d32;
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

.screen-reader-text,
.sr-only {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #4CAF50;
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100000;
}

.skip-link:focus {
    top: 6px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .address-input,
    .conference-select {
        border-width: 3px;
    }

    .btn-primary {
        border: 2px solid #2e7d32;
    }

    .questionnaire-welcome {
        border: 2px solid #2c3e50;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .spinner {
        animation: none;
        border-top-color: transparent;
    }
}

/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */

@media (max-width: 600px) {
    .questionnaire-container {
        padding: 15px;
    }

    .questionnaire-title {
        font-size: 1.6em;
    }

    .questionnaire-welcome h3 {
        font-size: 1.3em;
    }

    .location-selection-form {
        padding: 20px;
    }

    .location-method h4 {
        font-size: 1.2em;
    }

    .btn {
        font-size: 1em;
        padding: 12px 20px;
    }

    .btn-large {
        font-size: 1.2em;
        padding: 16px;
    }

    .address-input,
    .conference-select {
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .or-divider {
        margin: 20px 0;
    }
}

/* ========================================
   RESPONSIVE - TABLET
   ======================================== */

@media (min-width: 601px) and (max-width: 960px) {
    .questionnaire-container {
        padding: 30px;
    }

    .location-selection-form {
        padding: 35px;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .btn,
    .spinner,
    .btn-loading {
        display: none !important;
    }

    .questionnaire-container {
        max-width: 100%;
        box-shadow: none;
    }

    .location-selection-form {
        border: 1px solid #000;
        box-shadow: none;
    }
}

/* ========================================
   DARK MODE SUPPORT (Optional)
   ======================================== */

@media (prefers-color-scheme: dark) {
    /* Dark mode styles could be added here if desired */
    /* Currently maintaining light design for consistency */
}