/**
 * Plus Analytics Demo - Frontend CSS
 * Fullscreen Lead-Gate Modal mit Kontaktformular
 * Version: 1.0
 */

/* ===================================
   CSS CUSTOM PROPERTIES
   ================================ */
:root {
    --ad-primary: #E94E1B;
    --ad-primary-dark: #d63e0f;
    --ad-primary-light: #ff6b3d;
    --ad-white: #ffffff;
    --ad-gray-100: #f3f4f6;
    --ad-gray-200: #e5e7eb;
    --ad-gray-400: #9ca3af;
    --ad-gray-600: #6b7280;
    --ad-gray-800: #1f2937;
    --ad-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --ad-transition-fast: 150ms ease-in-out;
    --ad-transition: 300ms ease-in-out;
    --ad-radius-lg: 12px;
    --ad-radius: 8px;
    --ad-radius-sm: 5px;
}

/* ===================================
   FULLSCREEN OVERLAY (Lead-Gate)
   ================================ */
.plus-analyticsdemo-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 99999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.plus-analyticsdemo-overlay.hidden {
    display: none !important;
}

/* ===================================
   MODAL (Formular-Container)
   ================================ */
.plus-analyticsdemo-modal {
    background: var(--ad-white);
    border-radius: var(--ad-radius-lg);
    padding: 40px;
    max-width: 520px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    animation: adModalSlideIn 0.3s ease-out;
    position: relative;
}

@keyframes adModalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===================================
   MODAL HEADER
   ================================ */
.plus-analyticsdemo-modal .modal-header {
    text-align: center;
    margin-bottom: 30px;
}

.plus-analyticsdemo-modal .modal-header h2 {
    color: var(--ad-gray-800);
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 12px 0;
    font-family: var(--ad-font-family);
    line-height: 1.3;
}

.plus-analyticsdemo-modal .modal-header p {
    color: var(--ad-gray-600);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
    font-family: var(--ad-font-family);
}

/* ===================================
   FORM STYLES
   ================================ */
#analyticsdemo-form {
    font-family: var(--ad-font-family);
}

#analyticsdemo-form * {
    box-sizing: border-box;
}

.plus-analyticsdemo-modal .form-group {
    margin-bottom: 18px;
}

.plus-analyticsdemo-modal .form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--ad-gray-800);
    font-size: 14px;
    font-family: var(--ad-font-family);
}

.plus-analyticsdemo-modal .form-group .required {
    color: var(--ad-primary);
    font-weight: 600;
}

.plus-analyticsdemo-modal .form-group input[type="text"],
.plus-analyticsdemo-modal .form-group input[type="email"],
.plus-analyticsdemo-modal .form-group input[type="tel"] {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--ad-gray-200);
    border-radius: var(--ad-radius-sm);
    font-size: 15px;
    font-family: var(--ad-font-family);
    color: var(--ad-gray-800);
    background: var(--ad-white);
    outline: none;
    transition: all var(--ad-transition-fast);
}

.plus-analyticsdemo-modal .form-group input:focus {
    border-color: var(--ad-primary);
    box-shadow: 0 0 0 3px rgba(233, 78, 27, 0.1);
}

.plus-analyticsdemo-modal .form-group input.invalid {
    border-color: #dc3232;
    box-shadow: 0 0 0 3px rgba(220, 50, 50, 0.1);
}

.plus-analyticsdemo-modal .form-group input::placeholder {
    color: var(--ad-gray-400);
    opacity: 1;
}

/* Form Row (2 columns) */
.plus-analyticsdemo-modal .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ===================================
   PRIVACY CHECKBOX
   ================================ */
.plus-analyticsdemo-modal .form-group.privacy {
    margin-top: 24px;
    margin-bottom: 24px;
}

.plus-analyticsdemo-modal .checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    line-height: 1.5;
    color: var(--ad-gray-600);
}

.plus-analyticsdemo-modal .checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    margin-top: 1px;
    flex-shrink: 0;
    appearance: none;
    -webkit-appearance: none;
    border: 2px solid var(--ad-gray-400);
    border-radius: 3px;
    background: transparent;
    cursor: pointer;
    transition: all var(--ad-transition-fast);
    position: relative;
}

.plus-analyticsdemo-modal .checkbox-label input[type="checkbox"]:checked {
    background: var(--ad-primary);
    border-color: var(--ad-primary);
}

.plus-analyticsdemo-modal .checkbox-label input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 4px;
    width: 5px;
    height: 9px;
    border: solid var(--ad-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.plus-analyticsdemo-modal .checkbox-label input[type="checkbox"]:focus {
    outline: 2px solid var(--ad-primary);
    outline-offset: 2px;
}

.plus-analyticsdemo-modal .checkbox-label a {
    color: var(--ad-primary);
    text-decoration: underline;
    transition: opacity var(--ad-transition-fast);
}

.plus-analyticsdemo-modal .checkbox-label a:hover {
    opacity: 0.8;
}

/* ===================================
   FORM MESSAGE (Inline Errors)
   ================================ */
.plus-analyticsdemo-modal .form-message {
    display: none;
    padding: 10px 14px;
    border-radius: var(--ad-radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
    line-height: 1.4;
}

.plus-analyticsdemo-modal .form-message.error {
    display: block;
    background: rgba(220, 50, 50, 0.08);
    border: 1px solid rgba(220, 50, 50, 0.2);
    color: #dc3232;
}

.plus-analyticsdemo-modal .form-message.success {
    display: block;
    background: rgba(76, 175, 80, 0.08);
    border: 1px solid rgba(76, 175, 80, 0.2);
    color: #46b450;
}

/* ===================================
   SUBMIT BUTTON
   ================================ */
#ad-submit-btn {
    width: 100%;
    padding: 14px 24px;
    background: var(--ad-primary);
    color: var(--ad-white);
    border: none;
    border-radius: var(--ad-radius-sm);
    font-size: 16px;
    font-weight: 600;
    font-family: var(--ad-font-family);
    cursor: pointer;
    transition: all var(--ad-transition-fast);
    position: relative;
}

#ad-submit-btn:hover {
    background: var(--ad-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(233, 78, 27, 0.3);
}

#ad-submit-btn:active {
    transform: translateY(0);
}

#ad-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Loading State */
#ad-submit-btn.loading {
    color: transparent !important;
    pointer-events: none;
}

#ad-submit-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top: 2px solid var(--ad-white);
    border-radius: 50%;
    animation: adSpin 0.8s linear infinite;
}

@keyframes adSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===================================
   POPUP OVERLAYS (Success, Verified, Expired)
   ================================ */
.plus-analyticsdemo-popup-overlay {
    background: rgba(0, 0, 0, 0.7);
    z-index: 100000000;
}

.plus-analyticsdemo-popup {
    background: var(--ad-white);
    max-width: 460px;
    width: 90%;
    border-radius: var(--ad-radius-lg);
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    animation: adModalSlideIn 0.3s ease-out;
}

.plus-analyticsdemo-popup .popup-icon {
    font-size: 60px;
    margin-bottom: 20px;
    line-height: 1;
}

.plus-analyticsdemo-popup .popup-icon.success-icon {
    color: #4CAF50;
    animation: adIconPulse 0.5s ease-out;
}

.plus-analyticsdemo-popup .popup-icon.error-icon {
    color: #dc3232;
    animation: adIconPulse 0.5s ease-out;
}

@keyframes adIconPulse {
    0% { transform: scale(0); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.plus-analyticsdemo-popup h3 {
    color: var(--ad-gray-800);
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 16px 0;
    font-family: var(--ad-font-family);
}

.plus-analyticsdemo-popup p {
    color: var(--ad-gray-600);
    font-size: 15px;
    line-height: 1.6;
    margin: 8px 0;
    font-family: var(--ad-font-family);
}

.plus-analyticsdemo-popup .email-highlight {
    font-weight: 700;
    color: var(--ad-primary);
    font-size: 17px;
    padding: 10px 16px;
    background: rgba(233, 78, 27, 0.08);
    border-radius: var(--ad-radius-sm);
    word-break: break-all;
    margin: 12px 0;
}

.plus-analyticsdemo-popup .popup-instructions {
    background: var(--ad-gray-100);
    padding: 20px;
    border-radius: var(--ad-radius);
    margin-top: 20px;
    text-align: left;
}

.plus-analyticsdemo-popup .popup-instructions p {
    text-align: left;
    margin: 8px 0;
}

.plus-analyticsdemo-popup .popup-hint {
    font-size: 13px;
    color: var(--ad-gray-400);
    margin-top: 12px;
}

/* Popup Close Button */
.popup-close-btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--ad-primary);
    color: var(--ad-white);
    border: none;
    border-radius: var(--ad-radius-sm);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--ad-font-family);
    cursor: pointer;
    transition: all var(--ad-transition-fast);
    margin-top: 24px;
}

.popup-close-btn:hover {
    background: var(--ad-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(233, 78, 27, 0.3);
}

/* ===================================
   RESPONSIVE DESIGN
   ================================ */
@media (max-width: 768px) {
    .plus-analyticsdemo-overlay {
        padding: 10px;
    }

    .plus-analyticsdemo-modal {
        padding: 28px 20px;
        width: 95%;
        max-height: 95vh;
    }

    .plus-analyticsdemo-modal .modal-header h2 {
        font-size: 20px;
    }

    .plus-analyticsdemo-modal .modal-header p {
        font-size: 14px;
    }

    .plus-analyticsdemo-modal .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .plus-analyticsdemo-modal .form-group input {
        font-size: 16px; /* Prevents iOS zoom */
    }

    .plus-analyticsdemo-popup {
        width: 95%;
        padding: 30px 20px;
    }

    .plus-analyticsdemo-popup h3 {
        font-size: 18px;
    }

    .plus-analyticsdemo-popup .popup-icon {
        font-size: 48px;
    }

    .plus-analyticsdemo-modal .checkbox-label {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .plus-analyticsdemo-modal {
        padding: 24px 16px;
    }

    .plus-analyticsdemo-modal .modal-header h2 {
        font-size: 18px;
    }

    #ad-submit-btn {
        font-size: 15px;
        padding: 12px 20px;
    }
}

/* ===================================
   REDUCED MOTION
   ================================ */
@media (prefers-reduced-motion: reduce) {
    .plus-analyticsdemo-modal,
    .plus-analyticsdemo-popup,
    .popup-icon {
        animation: none !important;
    }

    #ad-submit-btn,
    .popup-close-btn,
    .plus-analyticsdemo-modal .form-group input {
        transition: none !important;
    }
}