:root {
    --bg: #fff5f7;
    --bg-2: #ffe0ea;
    --ink: #2b1b28;
    --muted: #6d5666;
    --accent: #ff4d6d;
    --accent-dark: #d9405f;
    --card: #ffffff;
    --stroke: rgba(43, 27, 40, 0.12);
    --shadow: 0 20px 60px rgba(43, 27, 40, 0.15);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Manrope", sans-serif;
    color: var(--ink);
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-2) 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

.bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(0px);
    opacity: 0.7;
    background: radial-gradient(circle at 30% 30%, #fff, rgba(255, 255, 255, 0.1));
    animation: float 12s ease-in-out infinite;
}

.orb-a {
    width: 320px;
    height: 320px;
    top: -60px;
    left: -80px;
    background: radial-gradient(circle at 30% 30%, #ffd6e2, rgba(255, 214, 226, 0));
}

.orb-b {
    width: 420px;
    height: 420px;
    bottom: -160px;
    right: -120px;
    background: radial-gradient(circle at 40% 40%, #ffc3d1, rgba(255, 195, 209, 0));
    animation-delay: -4s;
}

.orb-c {
    width: 240px;
    height: 240px;
    top: 30%;
    right: 8%;
    background: radial-gradient(circle at 40% 40%, #ffeef3, rgba(255, 238, 243, 0));
    animation-delay: -8s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(20px); }
}

.header {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px clamp(20px, 6vw, 80px);
}

.logo {
    display: inline-flex;
    width: 64px;
    height: 64px;
}

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

.brand {
    flex: 1;
}

.eyebrow {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.32em;
    color: var(--muted);
    margin-bottom: 8px;
}

h1 {
    font-family: "Yeseva One", serif;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.1;
}

.container {
    position: relative;
    z-index: 2;
    display: grid;
    gap: 28px;
    padding: 0 clamp(20px, 6vw, 80px) 40px;
}

.card {
    background: var(--card);
    border-radius: 28px;
    border: 1px solid var(--stroke);
    box-shadow: var(--shadow);
    padding: clamp(24px, 4vw, 36px);
    display: grid;
    gap: 24px;
}

.card-head h2 {
    font-size: clamp(22px, 3vw, 30px);
    margin-bottom: 8px;
}

.card-head p {
    color: var(--muted);
    max-width: 520px;
}

.form {
    display: grid;
    gap: 16px;
}

label {
    display: grid;
    gap: 8px;
    font-weight: 600;
}

.checkbox {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.checkbox input {
    width: 18px;
    height: 18px;
}

.image-block {
    display: grid;
    gap: 12px;
    padding: 16px;
    border: 1px dashed rgba(43, 27, 40, 0.2);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.65);
}

.image-title {
    font-weight: 700;
}

.file-label input[type="file"] {
    margin-top: 8px;
}

.image-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.upload-status {
    color: var(--muted);
    font-size: 14px;
}

.image-preview {
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--stroke);
    background: #fff;
}

.image-preview img {
    display: block;
    width: 100%;
    max-height: 280px;
    object-fit: cover;
}

.card-image {
    max-width: 420px;
    margin: 0 auto;
}

.valentine-grid {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(260px, 1.2fr);
    gap: 32px;
    align-items: center;
}

.valentine-left {
    display: grid;
    gap: 20px;
    justify-items: center;
}

.valentine-right {
    display: grid;
    gap: 24px;
}

input,
textarea,
select {
    font-family: "Manrope", sans-serif;
    font-size: 16px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--stroke);
    background: #fff;
    color: var(--ink);
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 77, 109, 0.2);
}

.btn {
    font-family: "Manrope", sans-serif;
    font-weight: 600;
    font-size: 16px;
    padding: 14px 20px;
    border-radius: 999px;
    border: none;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-shadow: 0 12px 24px rgba(255, 77, 109, 0.3);
}

.btn:hover {
    transform: translateY(-1px);
    background: var(--accent-dark);
}

.btn.ghost {
    background: rgba(255, 255, 255, 0.8);
    color: var(--ink);
    box-shadow: none;
    border: 1px solid var(--stroke);
}

.btn.small {
    padding: 10px 16px;
    font-size: 14px;
    box-shadow: none;
}

.result {
    display: grid;
    gap: 12px;
}

.result-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
}

.hint {
    color: var(--muted);
    font-size: 14px;
}

.heart-wrap {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.heart {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 140px;
    height: 140px;
    background: var(--accent);
    transform: rotate(-45deg);
    animation: pulse 1.4s ease-in-out infinite;
    border-radius: 16px;
}

.heart::before,
.heart::after {
    content: "";
    position: absolute;
    width: 140px;
    height: 140px;
    background: var(--accent);
    border-radius: 50%;
}

.heart::before {
    top: -70px;
    left: 0;
}

.heart::after {
    left: 70px;
    top: 0;
}

.heart-glow {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 170px;
    height: 170px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 77, 109, 0.35), rgba(255, 77, 109, 0));
    animation: glow 1.4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: rotate(-45deg) scale(1); }
    50% { transform: rotate(-45deg) scale(1.08); }
}

@keyframes glow {
    0%, 100% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.05); opacity: 1; }
}

.message {
    text-align: center;
    display: grid;
    gap: 12px;
}

.message .to {
    font-family: "Yeseva One", serif;
    font-size: clamp(22px, 3vw, 32px);
}

.message .wish {
    font-size: clamp(18px, 2.5vw, 24px);
    line-height: 1.4;
}

.message .from {
    color: var(--muted);
    font-size: 16px;
}

.cta {
    display: flex;
    justify-content: center;
}

.footer {
    position: relative;
    z-index: 2;
    padding: 20px;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
}

@media (max-width: 900px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
    }

    .brand {
        width: 100%;
    }

    .valentine-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .result-row {
        grid-template-columns: 1fr;
    }

    .btn.ghost {
        width: 100%;
    }
}