@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
    color-scheme: light dark;
    --bg: #f4f4f6;
    --text: #121212;
    --panel: rgba(255, 255, 255, 0.9);
    --panel-border: rgba(0, 0, 0, 0.08);
    --panel-shadow: 0 15px 35px rgba(0, 0, 0, 0.15), 0 0 20px rgba(255, 255, 255, 0.4) inset;
    --noise-opacity: 0.08;
    --btn-grad-1: #f9a825;
    --btn-grad-2: #f57f17;
    --btn-text: #111;
    --toggle-bg: rgba(0, 0, 0, 0.08);
    --toggle-border: rgba(0, 0, 0, 0.12);
    --accent: #2f6bff;
    --chip: rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] {
    --bg: #1a1a1a;
    --text: #fff;
    --panel: rgba(34, 34, 34, 0.8);
    --panel-border: rgba(255, 255, 255, 0.2);
    --panel-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 255, 255, 0.1) inset;
    --noise-opacity: 0.1;
    --btn-grad-1: #f9a825;
    --btn-grad-2: #f57f17;
    --btn-text: #111;
    --toggle-bg: rgba(255, 255, 255, 0.08);
    --toggle-border: rgba(255, 255, 255, 0.2);
    --accent: #6aa2ff;
    --chip: rgba(255, 255, 255, 0.12);
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    background-color: var(--bg);
    color: var(--text);
    overflow-y: auto;
    position: relative;
    padding: 48px 20px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="10" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity="0.1"/></svg>');
    z-index: -1;
    opacity: var(--noise-opacity);
}

.container {
    background: var(--panel);
    padding: 40px 50px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--panel-shadow);
    backdrop-filter: blur(10px);
    border: 1px solid var(--panel-border);
    width: min(720px, 100%);
    transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.subtitle {
    margin: 0 0 1.5rem;
    font-size: 1.05rem;
    opacity: 0.85;
}

.upload-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: center;
    margin: 16px 0 24px;
}

.upload-label {
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px dashed var(--panel-border);
    background: var(--panel);
    cursor: pointer;
    font-weight: 600;
    text-align: center;
}

#image-input {
    display: none;
}

#analyze-btn {
    padding: 12px 18px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(145deg, var(--btn-grad-1), var(--btn-grad-2));
    color: var(--btn-text);
    font-weight: 600;
    cursor: pointer;
}

.preview-card {
    display: grid;
    gap: 12px;
    justify-items: center;
    padding: 16px;
    border-radius: 16px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
}

#preview-image {
    width: min(320px, 100%);
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 16px;
    border: 1px solid var(--panel-border);
    background: rgba(0, 0, 0, 0.05);
    display: none;
}

.result {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
    min-height: 32px;
}

.label-container {
    width: 100%;
    display: grid;
    gap: 6px;
    text-align: left;
}

.label-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    padding: 8px 10px;
    border-radius: 10px;
    background: var(--chip);
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 1rem;
}

.theme-toggle {
    border: 1px solid var(--toggle-border);
    background: var(--toggle-bg);
    color: inherit;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
    transform: translateY(-2px);
}

.comments {
    margin-top: 32px;
    text-align: left;
}

.partner-form {
    margin-top: 28px;
    display: grid;
    gap: 12px;
    text-align: left;
}

.partner-form h2 {
    font-size: 1.25rem;
    margin: 0 0 4px;
}

.partner-form label {
    display: grid;
    gap: 6px;
    font-size: 0.95rem;
}

.partner-form input,
.partner-form textarea {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--panel-border);
    background: var(--panel);
    color: inherit;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.partner-form input:focus,
.partner-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.2);
}

.submit-btn {
    justify-self: start;
    padding: 12px 22px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(145deg, var(--btn-grad-1), var(--btn-grad-2));
    color: var(--btn-text);
    font-weight: 600;
    cursor: pointer;
}

.submit-btn:hover {
    transform: translateY(-2px);
}

@media (max-width: 720px) {
    body {
        padding: 32px 16px;
    }

    .container {
        padding: 28px 22px;
    }

    h1 {
        font-size: 2rem;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
    }
    .upload-card {
        grid-template-columns: 1fr;
    }

    #analyze-btn,
    .submit-btn {
        width: 100%;
    }
}