/**
 * Authentication Modal Styles
 * Modernized to match unified modal design system
 */

.multimodal-ai-auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--popup-overlay);
    z-index: 999999999 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

/* Ultra-specific selectors for Divi theme override */
html body .multimodal-ai-auth-overlay,
html body.et_divi_theme .multimodal-ai-auth-overlay,
.et_divi_theme .multimodal-ai-auth-overlay,
#page-container .multimodal-ai-auth-overlay,
#et-main-area .multimodal-ai-auth-overlay,
.et_pb_section .multimodal-ai-auth-overlay {
    z-index: 999999999 !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
}

.multimodal-ai-auth-popup {
    background: var(--message-ai-bg) !important;
    color: var(--message-ai-text) !important;
    border-radius: 12px;
    padding: 0;
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.multimodal-ai-auth-popup h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--message-ai-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* Auth Tabs */
.multimodal-ai-auth-tabs {
    display: flex;
    margin-bottom: 0;
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    background: var(--message-ai-bg);
    z-index: 10;
    flex-shrink: 0;
}

.auth-tab {
    flex: 1;
    padding: 14px 16px;
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
}

.auth-tab:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.auth-tab.active {
    opacity: 1;
    border-bottom-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Auth Forms */
.auth-form {
    display: none;
    padding: 24px;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 16px;
}

.form-group.prompt-group,
.form-group.custom-mode-field {
    margin-bottom: 16px;
    margin-top: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--message-ai-text);
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100% !important;
    padding: 12px;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    background: var(--chat-input-bg);
    color: var(--message-ai-text);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box !important;
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

/* Auth Buttons */
.auth-submit {
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
}

.auth-submit:not(.gmail-login) {
    background: var(--accent-primary);
    color: var(--accent-text);
}

.auth-submit:not(.gmail-login):hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* Gmail Login Button */
.gmail-login {
    background: #ffffff;
    color: #333333;
    border: 1px solid var(--border-default);
}

.gmail-login:hover {
    background: #f9fafb;
    border-color: var(--border-strong);
}

/* Auth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--text-tertiary);
    font-size: 13px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.auth-divider span {
    padding: 0 16px;
}

/* Form Error */
.form-error {
    color: var(--error-text);
    background: var(--error-bg);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 13px;
    margin-top: 12px;
    display: none;
}

.form-error.show {
    display: block;
}

/* Auth Header */
.ri-auth-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: var(--message-ai-bg);
    z-index: 10;
    flex-shrink: 0;
}

.ri-auth-close {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background 0.2s ease;
    opacity: 0.8;
}

.ri-auth-close:hover {
    background: var(--bg-tertiary);
    opacity: 1;
}

/* Responsive */
@media (max-width: 480px) {
    .multimodal-ai-auth-overlay {
        padding: 16px;
    }

    .multimodal-ai-auth-popup {
        max-width: 100%;
        border-radius: 12px;
    }

    .auth-tab {
        padding: 12px 14px;
        font-size: 14px;
    }

    .auth-form {
        padding: 20px;
    }
}