:root {
    --bg-top: #f4efe6;
    --bg-bottom: #dfe9f3;
    --card-bg: rgba(255, 250, 245, 0.92);
    --text: #1f2933;
    --muted: #52606d;
    --accent: #b83227;
    --accent-dark: #8f251d;
    --line: rgba(31, 41, 51, 0.12);
    --shadow: 0 25px 60px rgba(75, 85, 99, 0.16);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(184, 50, 39, 0.12), transparent 30%),
        linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

.page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.card {
    width: min(100%, 680px);
    padding: 40px 32px;
    border-radius: 28px;
    background: var(--card-bg);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(34px, 7vw, 56px);
    line-height: 0.95;
}

.lead {
    margin: 18px 0 0;
    max-width: 520px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.5;
}

.upload-form {
    margin-top: 30px;
}

.upload-box {
    display: flex;
    min-height: 220px;
    padding: 28px;
    border: 2px dashed rgba(184, 50, 39, 0.35);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.7);
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.upload-box:hover {
    transform: translateY(-2px);
    border-color: rgba(184, 50, 39, 0.65);
    background: rgba(255, 255, 255, 0.9);
}

.upload-box input {
    display: none;
}

.upload-title,
.upload-subtitle {
    display: block;
}

.upload-title {
    font-size: 28px;
    font-weight: 700;
}

.upload-subtitle {
    margin-top: 10px;
    color: var(--muted);
    font-size: 16px;
}

.primary-button {
    width: 100%;
    margin-top: 18px;
    padding: 20px 24px;
    border: none;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    font-size: 19px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    box-shadow: 0 18px 35px rgba(184, 50, 39, 0.28);
}

.primary-button:hover:not(:disabled) {
    transform: translateY(-2px);
}

.primary-button:disabled {
    cursor: wait;
    opacity: 0.75;
}

.status {
    min-height: 24px;
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 15px;
}

@media (max-width: 640px) {
    .card {
        padding: 28px 20px;
    }

    .upload-box {
        min-height: 180px;
        padding: 20px;
    }

    .upload-title {
        font-size: 24px;
    }
}