/* ===== CSS Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-color: #FFF9F9;
    --primary-pink: #BE185D;
    --soft-blush: #FFE4E6;
    --text-color: #1F1F1F;
    --text-light: #6B6B6B;
    --gold-accent: #D4AF37;
    --error-red: #DC2626;
    --success-green: #16A34A;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* ===== Screen Layout ===== */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.screen.active {
    opacity: 1;
    visibility: visible;
}

/* ===== Typography ===== */
h1, h2 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
}

/* ===== Buttons ===== */
.btn {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-pink);
    color: white;
}

.btn-primary:hover {
    background-color: #9D174D;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(190, 24, 93, 0.3);
}

.btn-yes {
    background-color: var(--primary-pink);
    color: white;
    font-size: 1.1rem;
    padding: 16px 40px;
}

.btn-yes:hover {
    background-color: #9D174D;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(190, 24, 93, 0.4);
}

/* ===== Screen 1: Loading ===== */
.loading-container {
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.loading-title {
    font-size: 1.8rem;
    margin-bottom: 40px;
    color: var(--text-color);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--soft-blush);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-pink), #E11D48);
    border-radius: 10px;
    transition: width 0.1s ease;
}

.status-text {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    min-height: 24px;
}

.status-text.error {
    color: var(--error-red);
    font-weight: 500;
}

.status-text.success {
    color: var(--success-green);
    font-weight: 600;
    font-size: 1.1rem;
}

/* ===== Screen 2: The Ask ===== */
.ask-container {
    text-align: center;
    max-width: 500px;
    width: 100%;
}

.photo-frame {
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(190, 24, 93, 0.2);
    border: 4px solid var(--soft-blush);
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.photo-frame.visible {
    opacity: 1;
    transform: scale(1);
}

.photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--soft-blush);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-pink);
    font-weight: 500;
}

.personal-message {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.personal-message.visible {
    opacity: 1;
    transform: translateY(0);
}

.the-question {
    font-size: 1.8rem;
    color: var(--primary-pink);
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.the-question.visible {
    opacity: 1;
    transform: translateY(0);
}

.button-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.button-group.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Screen 3: Celebration ===== */
.celebration-container {
    text-align: center;
    max-width: 500px;
    width: 100%;
}

.photo-frame-large {
    width: 280px;
    height: 280px;
    border-radius: 20px;
    margin-bottom: 40px;
    border: 6px solid var(--gold-accent);
    box-shadow: 0 12px 40px rgba(212, 175, 55, 0.3);
}

/* ===== Modals ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 100;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: white;
    border-radius: 20px;
    padding: 40px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    transform: scale(0.8) translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-text {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 30px;
    line-height: 1.6;
}

.modal-contract {
    text-align: left;
    max-width: 420px;
}

.contract-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    text-align: center;
    color: var(--primary-pink);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.contract-intro {
    font-size: 1rem;
    margin-bottom: 15px;
}

.contract-terms {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

.contract-terms li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    font-size: 0.95rem;
}

.contract-terms li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-pink);
    font-weight: bold;
}

.signature-line {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    margin-bottom: 25px;
    padding-top: 10px;
}

.signature-label {
    font-size: 0.95rem;
    color: var(--text-light);
    padding-bottom: 4px;
}

.signature-area {
    flex: 1;
    position: relative;
    min-height: 40px;
    border-bottom: 1px solid var(--text-light);
}

.signature-name {
    font-family: 'Dancing Script', cursive;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-pink);
    position: absolute;
    bottom: 2px;
    left: 0;
}

.modal-contract .btn-yes {
    display: block;
    width: 100%;
}

.video-frame {
    width: 300px;
    max-width: 90vw;
    margin: 0 auto 40px;
    border-radius: 20px;
    overflow: hidden;
    border: 6px solid var(--gold-accent);
    box-shadow: 0 12px 40px rgba(212, 175, 55, 0.3);
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.video-frame.visible {
    opacity: 1;
    transform: scale(1);
}

.video-frame video {
    width: 100%;
    display: block;
}

.video-frame canvas {
    width: 100%;
    display: block;
}

.yes-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-pink), #E11D48);
    color: white;
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 50px;
    margin-bottom: 20px;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.5s ease, transform 0.5s ease;
    box-shadow: 0 4px 15px rgba(190, 24, 93, 0.3);
}

.yes-badge.visible {
    opacity: 1;
    transform: scale(1);
}

.closing-message {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--text-color);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.closing-message.visible {
    opacity: 1;
    transform: translateY(0);
}

.btn-screenshot {
    background-color: var(--soft-blush);
    color: var(--primary-pink);
    font-weight: 600;
    margin-top: 25px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease, background-color 0.3s ease;
}

.btn-screenshot.visible {
    opacity: 1;
    transform: translateY(0);
}

.btn-screenshot:hover {
    background-color: var(--primary-pink);
    color: white;
}

.screenshot-hint {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 50px;
    opacity: 0;
    transition: opacity 0.5s ease 0.2s;
}

.screenshot-hint.visible {
    opacity: 1;
}

/* ===== Footer ===== */
.site-footer {
    position: fixed;
    bottom: 12px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-light);
    opacity: 0.6;
    z-index: 10;
}

/* ===== Responsive ===== */
@media (max-width: 480px) {
    .loading-title {
        font-size: 1.4rem;
    }

    .photo-frame {
        width: 160px;
        height: 160px;
    }

    .photo-frame-large {
        width: 220px;
        height: 220px;
    }

    .the-question {
        font-size: 1.5rem;
    }

    .btn-yes {
        padding: 14px 28px;
        font-size: 1rem;
    }

    .personal-message {
        font-size: 1rem;
    }

    .closing-message {
        font-size: 1.3rem;
    }

    .modal {
        padding: 30px 25px;
    }

    .modal-text {
        font-size: 1.1rem;
    }

    .contract-title {
        font-size: 1.2rem;
    }

    .contract-terms li {
        font-size: 0.9rem;
    }
}