* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: #03163f;
    color: #eef3ff;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    min-height: 100vh;
}

.page-shell {
    max-width: 1100px;
    margin: 0 auto;
    padding: 18px;
    display: grid;
    gap: 18px;
}

.card {
    background: #071c4f;
    border: 1px solid rgba(100, 140, 255, 0.25);
    border-radius: 24px;
    padding: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.16);
}

.top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.login-chip {
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 999px;
    padding: 10px 14px;
    color: #dbe5ff;
    font-size: 15px;
}

.logout-btn {
    display: inline-block;
    text-decoration: none;
    background: #5f6f9f;
    color: #fff;
    border-radius: 20px;
    padding: 18px 26px;
    font-size: 18px;
    font-weight: 700;
}

.page-title {
    font-size: 42px;
    line-height: 1.1;
    margin: 8px 0 16px;
}

.subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: #c8d4f9;
    margin: 0 0 18px;
}

.controls-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.primary-btn,
.secondary-btn,
.ghost-btn {
    border: none;
    border-radius: 20px;
    padding: 18px 24px;
    font-size: 20px;
    font-weight: 800;
    cursor: pointer;
}

.primary-btn {
    background: #5178ff;
    color: #fff;
}

.secondary-btn {
    background: #5f6f9f;
    color: #fff;
}

.ghost-btn {
    background: transparent;
    border: 2px solid #4a6cff;
    color: #fff;
}

.scanner-panel {
    width: 100%;
    margin-bottom: 16px;
}

#videoPreview {
    width: 100%;
    min-height: 360px;
    background: #000;
    border-radius: 24px;
    object-fit: cover;
    display: block;
}

.status-message {
    font-size: 18px;
    color: #c9d4ff;
    margin: 10px 0 18px;
    line-height: 1.5;
}

.manual-grid {
    display: grid;
    gap: 10px;
}

.manual-grid label {
    font-size: 18px;
    color: #e7eeff;
}

.text-input {
    width: 100%;
    border-radius: 22px;
    border: 2px solid rgba(90, 126, 255, 0.4);
    background: #132a5d;
    color: #fff;
    padding: 20px 22px;
    font-size: 22px;
    outline: none;
}

.text-input::placeholder {
    color: #aebbe0;
}

.result-card {
    padding-bottom: 28px;
}

.result-header {
    font-size: 24px;
    color: #c9d4ff;
    margin-bottom: 8px;
}

.storage-big {
    font-size: 88px;
    line-height: 1;
    font-weight: 900;
    color: #ffd33d;
    text-align: center;
    margin: 8px 0 18px;
    letter-spacing: 3px;
    word-break: break-word;
}

.result-source {
    font-size: 16px;
    color: #c9d4ff;
    text-align: center;
    margin-bottom: 18px;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.result-item {
    background: #0f2557;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 18px;
    padding: 16px;
}

.result-item.full {
    grid-column: 1 / -1;
}

.result-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #9db0df;
    margin-bottom: 8px;
}

.result-value {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    word-break: break-word;
    line-height: 1.4;
}

@media (max-width: 760px) {
    .page-shell {
        padding: 12px;
    }

    .page-title {
        font-size: 34px;
    }

    .storage-big {
        font-size: 64px;
    }

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

    .logout-btn,
    .primary-btn,
    .secondary-btn,
    .ghost-btn {
        width: 100%;
        text-align: center;
    }
}