:root {
    --reference-bg: #000000;
    --reference-panel: #282828;
    --reference-panel-output: rgba(255, 255, 255, 0.05);
    --reference-border: rgba(255, 255, 255, 0.1);
    --reference-text: #ffffff;
    --reference-text-dim: #cccccc;
    --reference-text-soft: #888888;
    --reference-logo: #ec83bb;
    --reference-accent-start: #ec83bb;
    --reference-accent-end: #b664db;
}

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

body.app-body {
    margin: 0;
    min-height: 100vh;
    background: var(--reference-bg);
    color: var(--reference-text);
    font-family: "Roboto", "Inter", sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
textarea {
    font: inherit;
}

.reference-page {
    min-height: 100vh;
    padding: 54px 0 32px;
}

.reference-container {
    max-width: 1320px;
}

.reference-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 56px;
    padding: 0 12px;
}

.reference-logo {
    color: var(--reference-logo);
    font-size: 36px;
    font-weight: 400;
    line-height: 42px;
    text-align: center;
    text-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
}

.reference-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 99px;
    min-height: 50px;
    padding: 16px 24px;
    border-radius: 24px;
    background: #424242;
    color: #ffffff;
    font-family: "Inter", sans-serif;
    font-size: 16px;
    font-weight: 600;
    line-height: 18px;
}

.reference-main {
    width: min(855px, 100%);
    margin: 0 auto;
    text-align: center;
}

.reference-title {
    margin: 0 0 14px;
    color: #ffffff;
    font-size: 38px;
    font-weight: 700;
    line-height: 61px;
}

.reference-subtitle {
    margin: 0 0 26px;
    color: #ffffff;
    font-size: 24px;
    font-weight: 300;
    line-height: 61px;
}

.reference-card {
    width: 100%;
    border-radius: 15px;
    border: 1px solid var(--reference-border);
}

.input-card {
    min-height: 254px;
    padding: 30px;
    background: var(--reference-panel);
    box-shadow: 0 0 100px rgba(236, 131, 187, 0.6);
    text-align: left;
}

.reference-hint {
    margin-bottom: 14px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 20px;
    font-weight: 400;
    line-height: 34px;
}

.reference-hint p,
.reference-hint ol {
    margin: 0;
}

.reference-hint ol {
    padding-left: 28px;
}

.reference-textarea {
    width: 100%;
    min-height: 74px;
    padding: 0;
    background: transparent;
    border: 0;
    outline: none;
    resize: vertical;
    color: var(--reference-text);
    font-size: 20px;
    font-weight: 400;
    line-height: 34px;
}

.reference-textarea::placeholder {
    color: rgba(255, 255, 255, 0.55);
}

.reference-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 29px;
}

.reference-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 326px;
    min-height: 50px;
    padding: 16px 24px;
    border: 0;
    border-radius: 15px;
    background: linear-gradient(90deg, var(--reference-accent-start) 0%, var(--reference-accent-end) 100%);
    color: #ffffff;
    font-family: "Inter", sans-serif;
    font-size: 16px;
    font-weight: 600;
    line-height: 18px;
    cursor: pointer;
}

.reference-button:hover {
    filter: brightness(1.03);
}

.reference-button:disabled {
    opacity: 0.7;
    cursor: default;
}

.reference-button-secondary {
    width: auto;
    min-width: 160px;
    background: #424242;
}

.reference-meta {
    min-height: 24px;
    margin-top: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    color: rgba(255, 255, 255, 0.82);
    font-size: 14px;
    line-height: 20px;
}

.reference-status,
.reference-length {
    color: inherit;
}

.output-card {
    margin-top: 38px;
    padding: 30px;
    background: var(--reference-panel-output);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.2);
    text-align: left;
}

.reference-output {
    white-space: pre-wrap;
    word-break: break-word;
    color: #ffffff;
    font-size: 15px;
    line-height: 1.5em;
}

.reference-footer {
    margin-top: 50px;
    text-align: center;
    color: #777777;
    font-size: 14px;
    line-height: 34px;
}

.reference-footer a {
    color: #888888;
    margin: 0 5px;
}

.hidden {
    display: none !important;
}

@media (max-width: 991.98px) {
    .reference-page {
        padding-top: 28px;
    }

    .reference-header {
        margin-bottom: 34px;
    }

    .reference-main {
        width: min(855px, 100%);
    }

    .reference-title {
        font-size: 32px;
        line-height: 1.25;
    }

    .reference-subtitle {
        font-size: 20px;
        line-height: 1.45;
    }

    .input-card {
        padding: 24px;
    }

    .reference-hint,
    .reference-textarea {
        font-size: 18px;
        line-height: 1.7;
    }
}

@media (max-width: 575.98px) {
    .reference-page {
        padding: 20px 0 24px;
    }

    .reference-header {
        padding: 0;
        margin-bottom: 26px;
    }

    .reference-logo {
        font-size: 30px;
        line-height: 1.1;
    }

    .reference-login {
        min-width: 86px;
        min-height: 44px;
        padding: 12px 18px;
        border-radius: 18px;
        font-size: 14px;
    }

    .reference-title {
        font-size: 26px;
    }

    .reference-subtitle {
        margin-bottom: 20px;
        font-size: 18px;
    }

    .input-card,
    .output-card {
        padding: 18px;
    }

    .reference-hint,
    .reference-textarea {
        font-size: 16px;
        line-height: 1.6;
    }

    .reference-actions {
        margin-top: 20px;
    }

    .reference-button,
    .reference-button-secondary {
        width: 100%;
    }

    .reference-footer {
        line-height: 1.7;
    }

    .reference-footer span {
        display: none;
    }

    .reference-footer a {
        display: block;
        margin: 4px 0;
    }
}