/**
 * Visual Feedback Pro - Frontend Styles
 *
 * @package IMTA_Visual_Feedback
 */

/* =============================================
   CSS Variables
   ============================================= */
:root {
    --imta-vf-primary: #4f46e5;
    --imta-vf-primary-hover: #4338ca;
    --imta-vf-success: #10b981;
    --imta-vf-danger: #ef4444;
    --imta-vf-gray-50: #f9fafb;
    --imta-vf-gray-100: #f3f4f6;
    --imta-vf-gray-200: #e5e7eb;
    --imta-vf-gray-300: #d1d5db;
    --imta-vf-gray-400: #9ca3af;
    --imta-vf-gray-500: #6b7280;
    --imta-vf-gray-700: #374151;
    --imta-vf-gray-900: #111827;
    --imta-vf-radius: 10px;
    --imta-vf-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    --imta-vf-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* =============================================
   Floating Button
   ============================================= */
.imta-vf-trigger {
    position: fixed;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--imta-vf-btn-bg, var(--imta-vf-primary));
    color: var(--imta-vf-btn-color, #fff);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-family: var(--imta-vf-font);
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.imta-vf-trigger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.5);
}

.imta-vf-trigger:active {
    transform: translateY(0);
}

.imta-vf-trigger-icon {
    flex-shrink: 0;
}

/* Positions */
.imta-vf-position-bottom-right {
    bottom: 24px;
    right: 24px;
}

.imta-vf-position-bottom-left {
    bottom: 24px;
    left: 24px;
}

.imta-vf-position-middle-right {
    right: -2px;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    transform-origin: right center;
    border-radius: 10px 10px 0 0;
    padding: 10px 18px;
}

.imta-vf-position-middle-right:hover {
    transform: translateY(-50%) rotate(-90deg) translateY(-2px);
}

/* Mobile */
@media (max-width: 768px) {
    .imta-vf-trigger-text {
        display: none;
    }
    .imta-vf-trigger {
        padding: 14px;
        border-radius: 50%;
    }
    .imta-vf-position-middle-right {
        right: 16px;
        bottom: 24px;
        top: auto;
        transform: none;
        border-radius: 50%;
    }
    .imta-vf-position-middle-right:hover {
        transform: translateY(-2px);
    }
}

/* =============================================
   Modal
   ============================================= */
.imta-vf-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    font-family: var(--imta-vf-font);
    animation: imtaVfFadeIn 0.25s ease;
}

.imta-vf-modal * {
    box-sizing: border-box;
}

.imta-vf-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.imta-vf-modal-container {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 95vw;
    height: 95vh;
    max-width: 1400px;
    margin: 2.5vh auto;
    background: #fff;
    border-radius: var(--imta-vf-radius);
    box-shadow: var(--imta-vf-shadow);
    overflow: hidden;
}

/* Header */
.imta-vf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--imta-vf-primary), #7c3aed);
    color: #fff;
    flex-shrink: 0;
}

.imta-vf-modal-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: #fff;
}

.imta-vf-modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 20px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.imta-vf-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Body */
.imta-vf-modal-body {
    flex: 1;
    overflow: hidden;
    position: relative;
    min-height: 0;
}

/* Steps must fill body */
.imta-vf-modal-body > .imta-vf-step {
    height: 100%;
}

/* =============================================
   Loading Step
   ============================================= */
.imta-vf-step-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.imta-vf-loading-spinner {
    text-align: center;
}

.imta-vf-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--imta-vf-gray-200);
    border-top-color: var(--imta-vf-primary);
    border-radius: 50%;
    animation: imtaVfSpin 0.8s linear infinite;
    margin: 0 auto 16px;
}

.imta-vf-loading-spinner p {
    color: var(--imta-vf-gray-500);
    font-size: 14px;
}

/* =============================================
   Editor Layout
   ============================================= */
.imta-vf-editor-layout {
    display: flex;
    height: 100%;
}

.imta-vf-editor-canvas-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: #1a1a2e;
}

.imta-vf-form-area {
    width: 380px;
    overflow-y: auto;
    border-left: 1px solid var(--imta-vf-gray-200);
    flex-shrink: 0;
}

/* Toolbar */
#imta-vf-annotation-toolbar {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 8px 12px !important;
    background: #16162a !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    flex-wrap: wrap !important;
    flex-shrink: 0 !important;
    margin: 0 !important;
    list-style: none !important;
}

#imta-vf-annotation-toolbar .imta-vf-toolbar-group {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    padding: 0 6px !important;
    border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
    margin: 0 !important;
}

#imta-vf-annotation-toolbar .imta-vf-toolbar-group:last-child {
    border-right: none !important;
}

#imta-vf-annotation-toolbar button.imta-vf-tool,
#imta-vf-annotation-toolbar button.imta-vf-tool-action {
    width: 34px !important;
    height: 34px !important;
    min-width: 34px !important;
    min-height: 34px !important;
    border: none !important;
    background: transparent !important;
    color: rgba(255, 255, 255, 0.6) !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.15s ease !important;
    padding: 0 !important;
    margin: 0 !important;
    box-shadow: none !important;
    outline: none !important;
    line-height: 1 !important;
    text-indent: 0 !important;
    opacity: 1 !important;
    visibility: visible !important;
    overflow: visible !important;
    position: relative !important;
    float: none !important;
}

#imta-vf-annotation-toolbar button.imta-vf-tool:hover,
#imta-vf-annotation-toolbar button.imta-vf-tool-action:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #fff !important;
}

#imta-vf-annotation-toolbar button.imta-vf-tool.active {
    background: var(--imta-vf-primary) !important;
    color: #fff !important;
}

/* SVG inside toolbar buttons */
#imta-vf-annotation-toolbar button svg {
    display: block !important;
    width: 16px !important;
    height: 16px !important;
    pointer-events: none !important;
    fill: none !important;
    stroke: currentColor !important;
    stroke-width: 2 !important;
}

.imta-vf-color-input {
    width: 30px;
    height: 30px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    cursor: pointer;
    padding: 0;
    background: none;
}

.imta-vf-stroke-select {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
}

.imta-vf-stroke-select option {
    background: #1a1a2e;
    color: #fff;
}

/* Canvas Container */
.imta-vf-canvas-container {
    flex: 1 1 auto;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    min-height: 200px;
    position: relative;
}

.imta-vf-canvas-container .canvas-container {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    border-radius: 4px;
}

/* =============================================
   Form
   ============================================= */
.imta-vf-form {
    padding: 20px;
}

.imta-vf-form-group {
    margin-bottom: 14px;
}

.imta-vf-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--imta-vf-gray-700);
    margin-bottom: 5px;
}

.imta-vf-form-group label .required {
    color: var(--imta-vf-danger);
}

.imta-vf-form-group input[type="text"],
.imta-vf-form-group input[type="email"],
.imta-vf-form-group input[type="tel"],
.imta-vf-form-group textarea,
.imta-vf-form-group select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--imta-vf-gray-300);
    border-radius: 8px;
    font-size: 13px;
    font-family: var(--imta-vf-font);
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
    color: var(--imta-vf-gray-900);
}

.imta-vf-form-group input:focus,
.imta-vf-form-group textarea:focus,
.imta-vf-form-group select:focus {
    outline: none;
    border-color: var(--imta-vf-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.imta-vf-form-group input.error,
.imta-vf-form-group textarea.error {
    border-color: var(--imta-vf-danger);
}

.imta-vf-form-group input[type="file"] {
    padding: 8px;
    font-size: 12px;
}

.imta-vf-form-help {
    display: block;
    font-size: 11px;
    color: var(--imta-vf-gray-400);
    margin-top: 4px;
}

.imta-vf-form-row {
    display: flex;
    gap: 12px;
}

.imta-vf-form-half {
    flex: 1;
}

/* Checkbox */
.imta-vf-checkbox-label {
    display: flex !important;
    align-items: flex-start;
    gap: 8px;
    font-weight: 400 !important;
    cursor: pointer;
}

.imta-vf-checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 2px;
}

/* Actions */
.imta-vf-form-actions {
    display: flex;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--imta-vf-gray-100);
}

.imta-vf-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--imta-vf-font);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.imta-vf-btn-primary {
    background: var(--imta-vf-primary);
    color: #fff;
    flex: 1;
    justify-content: center;
}

.imta-vf-btn-primary:hover {
    background: var(--imta-vf-primary-hover);
}

.imta-vf-btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.imta-vf-btn-secondary {
    background: var(--imta-vf-gray-100);
    color: var(--imta-vf-gray-700);
}

.imta-vf-btn-secondary:hover {
    background: var(--imta-vf-gray-200);
}

/* =============================================
   Success Step
   ============================================= */
.imta-vf-step-success {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.imta-vf-success-content {
    text-align: center;
    padding: 48px;
    max-width: 420px;
}

.imta-vf-success-icon {
    margin-bottom: 20px;
    animation: imtaVfBounceIn 0.5s ease;
}

.imta-vf-success-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--imta-vf-gray-900);
    margin: 0 0 8px;
}

.imta-vf-success-content p {
    color: var(--imta-vf-gray-500);
    font-size: 14px;
    margin: 0 0 20px;
}

.imta-vf-feedback-code {
    display: inline-block;
    padding: 10px 24px;
    background: var(--imta-vf-gray-50);
    border: 2px dashed var(--imta-vf-primary);
    border-radius: 8px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 18px;
    font-weight: 700;
    color: var(--imta-vf-primary);
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.imta-vf-success-note {
    font-size: 12px !important;
    color: var(--imta-vf-gray-400) !important;
}

/* =============================================
   Animations
   ============================================= */
@keyframes imtaVfFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes imtaVfBounceIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 900px) {
    .imta-vf-modal-container {
        width: 100vw;
        height: 100vh;
        margin: 0;
        border-radius: 0;
    }

    .imta-vf-editor-layout {
        flex-direction: column;
    }

    .imta-vf-form-area {
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--imta-vf-gray-200);
        max-height: 45vh;
    }

    .imta-vf-editor-canvas-area {
        min-height: 35vh;
    }

    .imta-vf-form-row {
        flex-direction: column;
        gap: 0;
    }
}

@media (max-width: 480px) {
    .imta-vf-modal-header {
        padding: 12px 16px;
    }

    .imta-vf-modal-title {
        font-size: 14px;
    }

    .imta-vf-form {
        padding: 16px;
    }

    .imta-vf-toolbar-group {
        padding: 0 3px;
    }
}

/* =============================================
   Error Message (toast)
   ============================================= */
.imta-vf-toast-frontend {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--imta-vf-gray-900);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 13px;
    font-family: var(--imta-vf-font);
    z-index: 9999999;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    animation: imtaVfFadeIn 0.3s ease;
    max-width: 90vw;
    text-align: center;
}

.imta-vf-toast-frontend.error {
    background: var(--imta-vf-danger);
}

.imta-vf-toast-frontend.success {
    background: var(--imta-vf-success);
}