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

:root {
    --bg: #0e0f11;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-hover: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --text: #f0f0f0;
    --text-muted: #888;
    --text-faint: #505050;
    --accent: #7c6aff;
    --accent-glow: rgba(124, 106, 255, 0.15);
    --accent-border: rgba(124, 106, 255, 0.3);
    --green: #34d399;
    --font: 'DM Sans', sans-serif;
    --mono: 'DM Mono', monospace;
    --radius: 14px;
    --radius-sm: 8px;
}

html, body {
    height: 100%;
}

body {
    overflow: hidden;
    /* For mobile Safari specifically */
    position: fixed;
    width: 100%;
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-image:
        radial-gradient(ellipse 60% 50% at 70% -10%, rgba(124, 106, 255, 0.12) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 20% 110%, rgba(52, 211, 153, 0.07) 0%, transparent 60%);
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 56px;
    border-bottom: 1px solid var(--border);
    background: rgba(14, 15, 17, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 10;
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

h1 {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.01em;
    color: var(--text);
}

.header-badge {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--accent);
    background: var(--accent-glow);
    border: 1px solid var(--accent-border);
    padding: 3px 9px;
    border-radius: 99px;
}

main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem 10rem 1rem;
}

.glass-panel {
    width: 100%;
    max-width: 50vw;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.75rem;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.03) inset,
        0 32px 80px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--surface);
    color: var(--text);
    font-size: 13.5px;
    font-family: var(--font);
    font-weight: 400;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.btn svg {
    opacity: 0.55;
    flex-shrink: 0;
}

.btn:hover {
    background: var(--surface-hover);
}

.btn-primary {
    background: var(--accent-glow);
    border-color: var(--accent-border);
    color: #b5acff;
    display: none;
}

.btn-primary:hover {
    background: rgba(124, 106, 255, 0.24);
}

.btn-primary svg {
    opacity: 1;
    stroke: #b5acff;
}

.btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

#photo, #upload {
    display: none;
}

.preview-wrap {
    width: 100%;
    height: 40vh;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.2);
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#preview {
    width: 100%;
    display: none;
    border-radius: var(--radius);
    object-fit: cover;
}

.preview-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 2.5rem 0;
    color: var(--text-faint);
    pointer-events: none;
}

.preview-empty p {
    font-size: 13px;
    letter-spacing: 0.01em;
}

.status {
    font-size: 13px;
    color: var(--text-muted);
    font-style: italic;
    display: none;
}

.result-card {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: none;
    flex-direction: column;
    padding: 1.3rem 1rem;
}

.result-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 1rem;
}

.result-divider {
    height: 1px;
    background: var(--border);
}

.result-label {
    font-size: 11px;
    font-family: var(--mono);
    letter-spacing: 0.07em;
    color: var(--text-faint);
    text-transform: uppercase;
}

.result-value {
    font-size: 17px;
    font-weight: 500;
    color: var(--text);
}

.result-conf {
    font-size: 14px;
    font-family: var(--mono);
    color: var(--green);
}

@media (max-width: 500px) {
    header {
        padding: 0 1rem;
    }

    .glass-panel {
        padding: 1.25rem;
        max-width: 80vw;
        border-radius: 16px;
    }

    .btn {
        font-size: 13px;
        padding: 9px 13px;
    }
}




/* FOOTER */
footer {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 0 1.5rem;
    height: 5rem;
    border-top: 1px solid var(--border);
    background: rgba(14, 15, 17, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-shrink: 0;
}

footer h3 {
    font-size: 1.1rem;
    font-family: var(--mono);
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-faint);
}

footer > div {
    width: 33%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

footer div > a {
    font-size: 1rem;
    color: var(--accent);
    text-decoration: none;
    opacity: 0.85;
    transition: opacity 0.15s;
}

footer div > a:hover {
    opacity: 1;
}

footer div > span {
    font-size: 1rem;
    color: var(--text-muted);
}

@media (max-width: 500px) {
    footer {
        height: 4rem;
        padding: 0.75rem 1rem;
        gap: 0.5rem;
        display: flex;
        flex-direction: row;
        align-items: flex-start;
    }

    footer h3 {
        font-size: .6rem;
        margin: 0;
        padding: 0;
    }

    footer > div {
        width: 80%;
    }

    footer div > a {
        font-size: .5rem;
    }

    footer div > span {
        font-size: .5rem;
    }
}