/**
 * Sky Voice Contact - Frontend Styles
 * Modern, minimal design with comprehensive dark mode support
 * Version: 2.0.0
 */

/* ==========================================================================
   Root Variables - Light Mode (Default)
   ========================================================================== */
:root {
    --svc-color-primary: #2271b1;
    --svc-color-primary-hover: #135e96;
    --svc-color-primary-dark: #0a4a7a;
    --svc-color-danger: #d63638;
    --svc-color-danger-hover: #b32d2e;
    --svc-color-success: #00a32a;
    --svc-color-success-bg: #d4edda;
    --svc-color-error-bg: #f8d7da;
    
    /* Text Colors */
    --svc-color-text-primary: #1e1e1e;
    --svc-color-text-secondary: #50575e;
    --svc-color-text-tertiary: #646970;
    --svc-color-text-placeholder: #8c8f94;
    
    /* Background Colors */
    --svc-color-bg-primary: #ffffff;
    --svc-color-bg-secondary: #f6f7f7;
    --svc-color-bg-tertiary: #f0f0f1;
    
    /* Border Colors */
    --svc-color-border-primary: #8c8f94;
    --svc-color-border-secondary: #dcdcde;
    --svc-color-border-tertiary: #c3c4c7;
    
    /* Shadow */
    --svc-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --svc-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --svc-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --svc-radius-sm: 4px;
    --svc-radius-md: 6px;
    --svc-radius-lg: 8px;
    
    /* Spacing */
    --svc-spacing-xs: 8px;
    --svc-spacing-sm: 12px;
    --svc-spacing-md: 16px;
    --svc-spacing-lg: 20px;
    --svc-spacing-xl: 30px;
}

/* ==========================================================================
   Dark Mode Variables
   ========================================================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --svc-color-primary: #4a9eff;
        --svc-color-primary-hover: #3b8adb;
        --svc-color-primary-dark: #2b7ac8;
        
        /* Text Colors */
        --svc-color-text-primary: #f0f0f1;
        --svc-color-text-secondary: #c3c4c7;
        --svc-color-text-tertiary: #a7aaad;
        --svc-color-text-placeholder: #646970;
        
        /* Background Colors */
        --svc-color-bg-primary: #1e1e1e;
        --svc-color-bg-secondary: #2c3338;
        --svc-color-bg-tertiary: #3c434a;
        
        /* Border Colors */
        --svc-color-border-primary: #50575e;
        --svc-color-border-secondary: #3c434a;
        --svc-color-border-tertiary: #50575e;
        
        /* Success/Error backgrounds (dark mode) */
        --svc-color-success-bg: #1a3d1a;
        --svc-color-error-bg: #3d1a1a;
        
        /* Shadow */
        --svc-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
        --svc-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
        --svc-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    }
}

/* Force dark mode class (for manual toggle if needed) */
.svc-dark-mode {
    --svc-color-primary: #4a9eff;
    --svc-color-primary-hover: #3b8adb;
    --svc-color-primary-dark: #2b7ac8;
    --svc-color-text-primary: #f0f0f1;
    --svc-color-text-secondary: #c3c4c7;
    --svc-color-text-tertiary: #a7aaad;
    --svc-color-text-placeholder: #646970;
    --svc-color-bg-primary: #1e1e1e;
    --svc-color-bg-secondary: #2c3338;
    --svc-color-bg-tertiary: #3c434a;
    --svc-color-border-primary: #50575e;
    --svc-color-border-secondary: #3c434a;
    --svc-color-border-tertiary: #50575e;
    --svc-color-success-bg: #1a3d1a;
    --svc-color-error-bg: #3d1a1a;
}

/* ==========================================================================
   Container
   ========================================================================== */
.svc-contact-form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--svc-spacing-xl);
    background: var(--svc-color-bg-primary);
    border-radius: var(--svc-radius-lg);
    box-shadow: var(--svc-shadow-sm);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.svc-form-title {
    margin: 0 0 25px 0;
    padding: 0;
    font-size: 28px;
    font-weight: 600;
    color: var(--svc-color-text-primary);
    text-align: center;
    transition: color 0.3s ease;
}

/* ==========================================================================
   Messages
   ========================================================================== */
.svc-messages {
    margin-bottom: var(--svc-spacing-lg);
}

.svc-message {
    padding: 15px 20px;
    border-radius: var(--svc-radius-sm);
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.5;
    animation: slideIn 0.3s ease;
}

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

.svc-message-success {
    background-color: var(--svc-color-success-bg);
    border: 1px solid var(--svc-color-success);
    color: var(--svc-color-success);
}

.svc-message-error {
    background-color: var(--svc-color-error-bg);
    border: 1px solid var(--svc-color-danger);
    color: var(--svc-color-danger);
}

/* ==========================================================================
   Form Elements
   ========================================================================== */
.svc-form-fields-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: var(--svc-spacing-lg);
    margin-bottom: var(--svc-spacing-lg);
}

.svc-field-group {
    flex: 0 0 auto;
}

.svc-field-width-100 {
    width: 100%;
}

.svc-field-width-50 {
    width: calc(50% - var(--svc-spacing-lg) / 2);
}

.svc-field-width-33 {
    width: calc(33.333% - var(--svc-spacing-lg) * 2 / 3);
}

.svc-field-width-25 {
    width: calc(25% - var(--svc-spacing-lg) * 3 / 4);
}

.svc-field-width-20 {
    width: calc(20% - var(--svc-spacing-lg) * 4 / 5);
}

.svc-contact-form {
    display: flex;
    flex-direction: column;
}

.svc-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--svc-spacing-xs);
}

.svc-form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--svc-color-text-primary);
    transition: color 0.3s ease;
}

.svc-required {
    color: var(--svc-color-danger);
    margin-left: 2px;
}

.svc-form-control {
    padding: var(--svc-spacing-sm) var(--svc-spacing-md);
    font-size: 15px;
    line-height: 1.5;
    color: var(--svc-color-text-primary);
    background-color: var(--svc-color-bg-primary);
    border: 1px solid var(--svc-color-border-primary);
    border-radius: var(--svc-radius-sm);
    transition: all 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.svc-form-control:focus {
    outline: none;
    border-color: var(--svc-color-primary);
    box-shadow: 0 0 0 1px var(--svc-color-primary);
}

.svc-form-control::placeholder {
    color: var(--svc-color-text-placeholder);
}

textarea.svc-form-control {
    resize: vertical;
    min-height: 100px;
}

/* ==========================================================================
   Submission Options
   ========================================================================== */
.svc-submission-options {
    margin: var(--svc-spacing-xl) 0 var(--svc-spacing-lg) 0;
    padding: var(--svc-spacing-lg);
    background: var(--svc-color-bg-secondary);
    border-radius: var(--svc-radius-md);
    transition: background-color 0.3s ease;
}

.svc-submission-options h3 {
    margin: 0 0 15px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--svc-color-text-primary);
    text-align: center;
    transition: color 0.3s ease;
}

.svc-option-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.svc-option-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--svc-spacing-lg) 15px;
    background: var(--svc-color-bg-primary);
    border: 2px solid var(--svc-color-border-secondary);
    border-radius: var(--svc-radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    color: var(--svc-color-text-secondary);
}

.svc-option-btn:hover {
    border-color: var(--svc-color-primary);
    background: var(--svc-color-bg-secondary);
    transform: translateY(-2px);
}

.svc-option-btn.active {
    background: var(--svc-color-primary);
    border-color: var(--svc-color-primary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--svc-shadow-sm);
}

.svc-option-btn .svc-icon {
    font-size: 32px;
    margin-bottom: 8px;
    display: block;
}

.svc-option-label {
    display: block;
}

/* ==========================================================================
   Voice Recorder
   ========================================================================== */
.svc-voice-recorder {
    margin: var(--svc-spacing-lg) 0;
    padding: 25px;
    background: var(--svc-color-bg-tertiary);
    border-radius: var(--svc-radius-md);
    transition: background-color 0.3s ease;
}

.svc-recorder-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--svc-spacing-sm);
    align-items: center;
    justify-content: center;
    margin-bottom: var(--svc-spacing-lg);
}

.svc-recording-timer {
    display: flex;
    align-items: center;
    gap: var(--svc-spacing-xs);
    padding: 8px 16px;
    background: var(--svc-color-bg-primary);
    border-radius: var(--svc-radius-sm);
    font-weight: 500;
    color: var(--svc-color-danger);
    transition: background-color 0.3s ease;
}

.svc-recording-timer .svc-timer-label {
    font-size: 14px;
}

.svc-timer {
    font-size: 16px;
    font-family: monospace;
    font-weight: 600;
}

.svc-audio-preview {
    text-align: center;
}

.svc-preview-label {
    margin: 0 0 15px 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--svc-color-text-primary);
    transition: color 0.3s ease;
}

.svc-audio-player {
    width: 100%;
    max-width: 100%;
    margin-bottom: 15px;
}

.svc-recorder-note {
    margin: 15px 0 0 0;
    font-size: 13px;
    color: var(--svc-color-text-tertiary);
    text-align: center;
    transition: color 0.3s ease;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.svc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--svc-spacing-xs);
    padding: var(--svc-spacing-sm) 24px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    border: none;
    border-radius: var(--svc-radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.svc-btn-record {
    background: var(--svc-color-danger);
    color: #ffffff;
}

.svc-btn-record:hover {
    background: var(--svc-color-danger-hover);
    transform: translateY(-2px);
    box-shadow: var(--svc-shadow-sm);
}

.svc-record-icon {
    font-size: 18px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.svc-btn-stop {
    background: var(--svc-color-text-secondary);
    color: #ffffff;
}

.svc-btn-stop:hover {
    background: var(--svc-color-text-tertiary);
    transform: translateY(-2px);
    box-shadow: var(--svc-shadow-sm);
}

.svc-stop-icon {
    font-size: 16px;
}

.svc-btn-clear {
    background: var(--svc-color-bg-tertiary);
    color: var(--svc-color-text-primary);
    border: 1px solid var(--svc-color-border-primary);
}

.svc-btn-clear:hover {
    background: var(--svc-color-border-secondary);
    transform: translateY(-2px);
}

.svc-btn-submit {
    background: var(--svc-color-primary);
    color: #ffffff;
    font-size: 16px;
    padding: 14px 28px;
    width: 100%;
}

.svc-btn-submit:hover {
    background: var(--svc-color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--svc-shadow-md);
}

.svc-btn-submit:disabled {
    background: var(--svc-color-border-secondary);
    color: var(--svc-color-text-placeholder);
    cursor: not-allowed;
    transform: none;
}

.svc-submit-group {
    margin-top: var(--svc-spacing-xl);
}

/* Loading State */
.svc-btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.svc-btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    color: #ffffff;
}

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

/* ==========================================================================
   Responsive Design - Tablet
   ========================================================================== */
@media (max-width: 768px) {
    .svc-contact-form-wrapper {
        padding: var(--svc-spacing-lg);
    }
    
    .svc-form-title {
        font-size: 24px;
    }
    
    .svc-field-width-50,
    .svc-field-width-33 {
        width: 100%;
    }
    
    .svc-option-buttons {
        grid-template-columns: 1fr;
    }
    
    .svc-recorder-controls {
        flex-direction: column;
    }
    
    .svc-btn {
        width: 100%;
    }
}

/* ==========================================================================
   Responsive Design - Mobile
   ========================================================================== */
@media (max-width: 480px) {
    .svc-contact-form-wrapper {
        padding: 15px;
        border-radius: var(--svc-radius-sm);
    }
    
    .svc-form-title {
        font-size: 20px;
        margin-bottom: var(--svc-spacing-lg);
    }
    
    .svc-form-control {
        padding: 10px 14px;
        font-size: 14px;
    }
    
    .svc-submission-options {
        padding: 15px;
    }
    
    .svc-voice-recorder {
        padding: 15px;
    }
    
    .svc-option-btn {
        padding: 15px 10px;
    }
    
    .svc-option-btn .svc-icon {
        font-size: 28px;
    }
    
    /* Stack all field columns on mobile */
    .svc-field-width-50,
    .svc-field-width-33,
    .svc-field-width-25,
    .svc-field-width-20 {
        width: 100%;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
.svc-btn:focus,
.svc-form-control:focus,
.svc-option-btn:focus {
    outline: 2px solid var(--svc-color-primary);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .svc-form-control {
        border-width: 2px;
    }
    
    .svc-btn {
        border: 2px solid currentColor;
    }
}

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

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .svc-contact-form-wrapper {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .svc-btn,
    .svc-submission-options,
    .svc-voice-recorder {
        display: none;
    }
}