:root {
    color-scheme: dark;
    font-family: "Poppins", "Segoe UI", sans-serif;
    --ink: #f8f5ff;
    --lavender: #c77dff;
    --pumpkin: #ff7a18;
    --pumpkin-glow: rgba(255, 122, 24, 0.25);
    --midnight: #0b0614;
    --abyss: #12061f;
    --mist: rgba(255, 255, 255, 0.08);
    --error: #ff5c5c;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, #2c0f39, var(--abyss) 55%) fixed;
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.5rem;
}

.canvas {
    position: relative;
    width: min(960px, 100%);
}

.background-veil {
    position: absolute;
    inset: -4rem;
    z-index: -1;
    background: radial-gradient(circle, rgba(255, 122, 24, 0.15), transparent 65%);
    filter: blur(60px);
}

.panel {
    background: linear-gradient(135deg, rgba(56, 33, 82, 0.95), rgba(12, 2, 24, 0.9));
    border: 1px solid var(--mist);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(12px);
}

.panel__header {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    margin-bottom: 2.5rem;
}

.panel__glyph {
    font-size: 3rem;
    display: grid;
    place-items: center;
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    background: linear-gradient(160deg, var(--pumpkin), var(--lavender));
    box-shadow: 0 16px 32px var(--pumpkin-glow);
}

.panel__header h1 {
    margin: 0;
    font-size: clamp(1.8rem, 2.5vw, 2.5rem);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.panel__header p {
    margin: 0.35rem 0 0;
    color: rgba(248, 245, 255, 0.75);
}

.uploader {
    display: grid;
    gap: 1.25rem;
}

.uploader__drop {
    position: relative;
    border: 2px dashed rgba(199, 125, 255, 0.4);
    border-radius: 20px;
    padding: 3rem 2rem;
    background: rgba(15, 7, 28, 0.65);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.uploader__drop:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 122, 24, 0.75);
    background: rgba(18, 6, 31, 0.75);
}

.uploader__drop--active {
    border-color: var(--pumpkin);
    background: rgba(255, 122, 24, 0.12);
}

.uploader__icon {
    font-size: 2.75rem;
    margin-bottom: 1rem;
}

.uploader__text strong {
    display: block;
    font-size: 1.1rem;
}

.uploader__text span {
    display: block;
    margin-top: 0.5rem;
    color: rgba(248, 245, 255, 0.65);
}

.uploader__drop input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.uploader__action {
    padding: 0.85rem 1.4rem;
    border-radius: 14px;
    border: none;
    background: linear-gradient(135deg, var(--pumpkin), var(--lavender));
    color: var(--ink);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 25px rgba(255, 122, 24, 0.35);
}

.uploader__action:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 32px rgba(255, 122, 24, 0.45);
}

.feedback {
    margin-top: 2rem;
    border-radius: 18px;
    padding: 1.5rem 1.75rem;
    background: rgba(13, 5, 22, 0.7);
    border: 1px solid rgba(199, 125, 255, 0.2);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.feedback--error {
    border-color: rgba(255, 92, 92, 0.4);
    background: rgba(55, 0, 14, 0.6);
}

.feedback--hidden {
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    height: 0;
    padding: 0;
    margin: 0;
    border-width: 0;
}

.feedback__inner {
    display: grid;
    gap: 0.75rem;
}

.feedback__share {
    display: grid;
    gap: 0.5rem;
}

.feedback__share label {
    font-size: 0.85rem;
    color: rgba(248, 245, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.feedback__share-controls {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.75rem;
    align-items: center;
}

.feedback__hint {
    font-size: 0.85rem;
    color: #ffe2ff;
    text-decoration: underline;
    cursor: pointer;
}

.feedback__share input {
    background: rgba(12, 8, 22, 0.8);
    border: 1px solid rgba(199, 125, 255, 0.4);
    border-radius: 12px;
    padding: 0.6rem 0.8rem;
    color: var(--ink);
    font-size: 0.95rem;
}

.feedback__share button {
    border: none;
    border-radius: 12px;
    padding: 0.6rem 1rem;
    background: rgba(255, 122, 24, 0.85);
    color: var(--ink);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.feedback__share button:hover {
    background: rgba(255, 122, 24, 1);
}

.footer {
    margin-top: 2rem;
    text-align: center;
    color: rgba(248, 245, 255, 0.6);
    font-size: 0.9rem;
}

@media (max-width: 720px) {
    body {
        padding: 2rem 1rem;
    }

    .panel {
        padding: 2rem;
    }

    .panel__header {
        flex-direction: column;
        text-align: center;
    }

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