:root {
    color-scheme: dark;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
    background-color: #050607;
    color: #f3f6ff;
}

* {
    box-sizing: border-box;
}

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

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

body {
    background: radial-gradient(circle at top, #111a25 0%, #050607 60%);
}

.app {
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    border: none;
    border-radius: 0;
    padding: 1rem;
    background-color: transparent;
    backdrop-filter: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
    box-sizing: border-box;
}

.app__header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
}

.app__title {
    margin: 0;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
}

.app__subtitle {
    margin: 0 0 0.5rem 0;
    color: #9fb3c8;
    font-size: clamp(1.4rem, 3vw, 1.8rem);
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.controls__label {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #8aa0be;
}

.controls__select {
    background: #0d1520;
    color: #f3f6ff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 0.7rem 1rem;
    font-size: clamp(1.2rem, 2.5vw, 1.4rem);
}

.scanner form {
    display: flex;
    gap: 0.6rem;
}

#codeInput {
    flex: 1;
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.06);
    color: #fdfdfd;
    caret-color: #6bf0ff;
}

#codeInput:focus {
    outline: 2px solid #6bf0ff;
    border-color: transparent;
}

#submitButton {
    border: none;
    border-radius: 12px;
    padding: 1.2rem 2rem;
    background: linear-gradient(135deg, #23a6d5, #23d5ab);
    color: #041018;
    font-weight: 600;
    font-size: clamp(1.4rem, 3vw, 1.6rem);
    cursor: pointer;
}

.status {
    min-height: 1.5rem;
    font-size: clamp(1.3rem, 3vw, 1.5rem);
    color: #8ee0ff;
    margin-top: 0.6rem;
}

.install-button {
    margin-top: 0.8rem;
    width: 100%;
    border-radius: 12px;
    background: transparent;
    border: 1px dashed rgba(255, 255, 255, 0.3);
    color: #f3f6ff;
    padding: 1rem;
    font-size: clamp(1.2rem, 2.5vw, 1.4rem);
}

.last-scan {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1rem;
}

.last-scan__label {
    margin: 0 0 0.6rem 0;
    text-transform: uppercase;
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    letter-spacing: 0.08em;
    color: #8aa0be;
}

.last-scan__value {
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    margin: 0;
    word-break: break-all;
}

.last-scan__meta {
    margin: 0.5rem 0 0 0;
    font-size: clamp(1.2rem, 2.5vw, 1.4rem);
    color: #8aa0be;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Optimiert für 2-Zoll Display 1280x800 */
@media (width: 1280px) and (height: 800px) {
    html, body {
        position: fixed;
        width: 100%;
        height: 100%;
        overflow: hidden;
    }

    .app {
        padding: 1.5rem;
        width: 100%;
        height: 100%;
        min-width: 100%;
        min-height: 100%;
    }

    .app__title {
        font-size: 3.5rem;
    }

    .app__subtitle {
        font-size: 1.8rem;
    }

    .controls__label {
        font-size: 1.3rem;
    }

    .controls__select {
        font-size: 1.4rem;
        padding: 0.8rem 1.2rem;
    }

    #codeInput {
        font-size: 2.2rem;
        padding: 1.5rem 2rem;
    }

    #submitButton {
        padding: 1.5rem 2.5rem;
        font-size: 1.6rem;
    }

    .status {
        font-size: 1.5rem;
    }

    .install-button {
        font-size: 1.4rem;
        padding: 1.2rem;
    }

    .last-scan__label {
        font-size: 1.3rem;
    }

    .last-scan__value {
        font-size: 2.2rem;
    }

    .last-scan__meta {
        font-size: 1.4rem;
    }
}

@media (max-width: 600px) {
    .app {
        padding: 1rem;
    }

    .app__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .scanner form {
        flex-direction: column;
    }

    #submitButton {
        width: 100%;
    }
}