/**
 * inSigner Campaign Embed Styles
 * 
 * Scoped styles for the campaign embed form (shortcode + iframe).
 * All classes prefixed with .wps-embed- to avoid host page conflicts.
 *
 * @package inSigner
 * @since 2.5.0
 */

/* ============================================
   CSS RESET (scoped to embed container)
   ============================================ */
.wps-embed-container,
.wps-embed-container *,
.wps-embed-container *::before,
.wps-embed-container *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ============================================
   VARIABLES
   ============================================ */
.wps-embed-container {
    --wps-e-primary: #4f46e5;
    --wps-e-primary-hover: #4338ca;
    --wps-e-bg: #ffffff;
    --wps-e-card-bg: #ffffff;
    --wps-e-border: #e5e7eb;
    --wps-e-text: #111827;
    --wps-e-text-secondary: #6b7280;
    --wps-e-input-bg: #f9fafb;
    --wps-e-input-border: #d1d5db;
    --wps-e-input-focus: #4f46e5;
    --wps-e-error: #ef4444;
    --wps-e-success: #10b981;
    --wps-e-radius: 12px;
    --wps-e-font: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --wps-e-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);

    font-family: var(--wps-e-font);
    color: var(--wps-e-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Dark mode */
.wps-embed-container[data-theme="dark"] {
    --wps-e-bg: #0f172a;
    --wps-e-card-bg: #1e293b;
    --wps-e-border: #334155;
    --wps-e-text: #f1f5f9;
    --wps-e-text-secondary: #94a3b8;
    --wps-e-input-bg: #0f172a;
    --wps-e-input-border: #475569;
    --wps-e-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ============================================
   CARD
   ============================================ */
.wps-embed-card {
    background: var(--wps-e-card-bg);
    border: 1px solid var(--wps-e-border);
    border-radius: var(--wps-e-radius);
    padding: 32px;
    max-width: 480px;
    margin: 0 auto;
    box-shadow: var(--wps-e-shadow);
}

/* ============================================
   ICON
   ============================================ */
.wps-embed-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--wps-e-primary), #7c3aed);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #fff;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.wps-embed-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--wps-e-text);
    margin-bottom: 6px;
    line-height: 1.3;
}

.wps-embed-subtitle {
    font-size: 14px;
    color: var(--wps-e-text-secondary);
    margin-bottom: 20px;
}

/* ============================================
   DOCUMENT INFO
   ============================================ */
.wps-embed-doc {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--wps-e-input-bg);
    border: 1px solid var(--wps-e-border);
    border-radius: 8px;
    margin-bottom: 20px;
}

.wps-embed-doc-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--wps-e-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    opacity: 0.9;
}

.wps-embed-doc-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--wps-e-text);
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.wps-embed-doc-pages {
    font-size: 12px;
    color: var(--wps-e-text-secondary);
}

/* ============================================
   FORM
   ============================================ */
.wps-embed-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.wps-embed-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.wps-embed-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--wps-e-text);
    display: flex;
    align-items: center;
    gap: 6px;
}

.wps-embed-label svg {
    color: var(--wps-e-text-secondary);
    flex-shrink: 0;
}

.wps-embed-required {
    color: var(--wps-e-error);
    font-weight: 700;
}

.wps-embed-input {
    padding: 10px 14px;
    border: 1.5px solid var(--wps-e-input-border);
    border-radius: 8px;
    font-size: 15px;
    font-family: var(--wps-e-font);
    background: var(--wps-e-input-bg);
    color: var(--wps-e-text);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    width: 100%;
}

.wps-embed-input::placeholder {
    color: var(--wps-e-text-secondary);
    opacity: 0.6;
}

.wps-embed-input:focus {
    border-color: var(--wps-e-input-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* ============================================
   BUTTON
   ============================================ */
.wps-embed-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--wps-e-primary), #7c3aed);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--wps-e-font);
    cursor: pointer;
    transition: transform 0.15s, opacity 0.2s;
    margin-top: 4px;
    width: 100%;
}

.wps-embed-btn:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.wps-embed-btn:active {
    transform: translateY(0);
}

.wps-embed-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.wps-embed-btn.wps-embed-loading .wps-embed-btn-text {
    opacity: 0;
}

.wps-embed-btn.wps-embed-loading::after {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: wps-embed-spin 0.6s linear infinite;
    position: absolute;
}

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

/* ============================================
   TRUST
   ============================================ */
.wps-embed-trust {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--wps-e-border);
}

.wps-embed-trust-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--wps-e-text-secondary);
}

.wps-embed-trust-item svg {
    color: var(--wps-e-success);
    flex-shrink: 0;
}

/* ============================================
   ERROR
   ============================================ */
.wps-embed-error {
    padding: 12px 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    color: var(--wps-e-error);
    font-size: 13px;
    display: none;
}

.wps-embed-container[data-theme="dark"] .wps-embed-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

/* ============================================
   SHAKE ANIMATION
   ============================================ */
@keyframes wps-embed-shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.wps-embed-shake {
    animation: wps-embed-shake 0.4s ease;
}

/* ============================================
   FULLSCREEN SIGNING OVERLAY (shortcode mode)
   ============================================ */
.wps-signing-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    animation: wpsOverlayIn 0.3s ease;
}

.wps-signing-overlay-closing {
    animation: wpsOverlayOut 0.3s ease forwards;
}

@keyframes wpsOverlayIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes wpsOverlayOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.wps-signing-overlay-close {
    position: absolute;
    top: 10px;
    right: 16px;
    z-index: 10;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.wps-signing-overlay-close:hover {
    background: rgba(0, 0, 0, 0.8);
}

.wps-signing-overlay-frame {
    flex: 1;
    width: 100%;
    height: 100%;
    border: none;
    background: #fff;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 520px) {
    .wps-embed-card {
        padding: 20px;
        border-radius: 8px;
    }

    .wps-embed-title {
        font-size: 18px;
    }

    .wps-embed-trust {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
}