/* ---------------------------------------------------
   binance_status · design tokens
--------------------------------------------------- */
:root {
    --bg: #0A0E14;
    --surface: #12171F;
    --border: #1F2733;
    --border-focus: #33404F;
    --text: #E8EBF0;
    --text-dim: #6B7685;
    --text-faint: #454E5C;
    --accent: #3DD68C;
    --accent-dim: #245C41;
    --danger: #E5484D;
    --danger-dim: #3A1F21;

    --font: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

    --radius: 4px;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    -webkit-font-smoothing: antialiased;
}

/* Subtle background texture: a faint scanline grid, not a gradient wash */
body {
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 48px 48px;
    background-position: center;
    background-attachment: fixed;
    opacity: 1;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, var(--bg) 75%);
    pointer-events: none;
}

.login-shell {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    gap: 20px;
}

.login-card {
    width: 100%;
    max-width: 360px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px 28px;
}

.login-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
    flex-shrink: 0;
}

.login-head__label {
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 0.02em;
}

.login-title {
    font-size: 17px;
    font-weight: 500;
    margin: 0 0 24px;
    color: var(--text);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.field label {
    font-size: 12px;
    color: var(--text-dim);
}

.field input {
    font-family: var(--font);
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    outline: none;
    transition: border-color 0.15s ease;
    width: 100%;
}

.field input:hover {
    border-color: var(--border-focus);
}

.field input:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.submit-btn {
    position: relative;
    margin-top: 6px;
    font-family: var(--font);
    font-size: 14px;
    font-weight: 500;
    color: #06140D;
    background: var(--accent);
    border: none;
    border-radius: var(--radius);
    padding: 11px 16px;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.05s ease;
}

.submit-btn:hover {
    background: #4FE39C;
}

.submit-btn:active {
    transform: scale(0.99);
}

.submit-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.submit-btn:disabled {
    cursor: default;
    opacity: 0.75;
}

.submit-btn__spinner {
    display: none;
}

.submit-btn.is-loading .submit-btn__label {
    visibility: hidden;
}

.submit-btn.is-loading .submit-btn__spinner {
    display: block;
    position: absolute;
    inset: 0;
    margin: auto;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(6, 20, 13, 0.35);
    border-top-color: #06140D;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.error-msg {
    margin: 0;
    padding: 10px 12px;
    font-size: 12.5px;
    line-height: 1.5;
    color: #FF9A9D;
    background: var(--danger-dim);
    border: 1px solid #5C2528;
    border-radius: var(--radius);
}

.field input.has-error {
    border-color: var(--danger);
}


/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .submit-btn__spinner {
        animation: none;
    }

    * {
        transition: none !important;
    }
}

@media (max-width: 400px) {
    .login-card {
        padding: 26px 20px 22px;
    }
}