:root {
    --crayon-dark: #0f1117;
    --crayon-card: rgba(24, 26, 35, 0.82);
    --crayon-border: rgba(255, 255, 255, 0.12);
    --crayon-text: #f8fafc;
    --crayon-muted: #a1a1aa;
    --crayon-blue: #0077ff;
    --crayon-cyan: #00c8ff;
    --crayon-violet: #8b2cff;
    --crayon-green: #77ff2f;
    --crayon-yellow: #ffd82e;
    --crayon-orange: #ff8a1f;
    --crayon-red: #ff2f2f;
    --crayon-gradient: linear-gradient(135deg, #8b2cff, #0077ff, #00c8ff, #77ff2f, #ffd82e, #ff8a1f, #ff2f2f);
}

.crayon-auth-body {
    margin: 0;
    min-height: 100vh;
    background: var(--crayon-dark);
    color: var(--crayon-text);
    font-family: "Segoe UI", system-ui, sans-serif;
}

.crayon-auth-shell {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    min-height: 100vh;
}

.crayon-auth-brand {
    background: var(--crayon-gradient);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.crayon-auth-brand::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 17, 23, 0.15), rgba(15, 17, 23, 0.45));
}

.crayon-auth-brand-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
}

.crayon-auth-logo-square {
    width: min(320px, 88%);
    aspect-ratio: 1 / 1;
    background: #ffffff;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    padding: 1rem;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.crayon-auth-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.crayon-auth-system-name {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin: 0 0 1rem;
    line-height: 1.4;
    max-width: 22rem;
}

.crayon-auth-brand-inner h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    margin-bottom: 0.25rem;
}

.crayon-auth-brand-inner .lead {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.crayon-auth-brand-inner .tagline {
    font-size: 0.98rem;
    line-height: 1.6;
    opacity: 0.95;
}

.crayon-auth-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background:
        radial-gradient(circle at top right, rgba(139, 44, 255, 0.12), transparent 40%),
        radial-gradient(circle at bottom left, rgba(0, 119, 255, 0.1), transparent 35%),
        var(--crayon-dark);
}

.crayon-auth-card {
    width: min(440px, 100%);
    padding: 2rem;
    border-radius: 1.25rem;
    background: var(--crayon-card);
    border: 1px solid var(--crayon-border);
    backdrop-filter: blur(18px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.crayon-auth-card h2 {
    color: var(--crayon-text);
    font-weight: 700;
}

.crayon-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--crayon-border);
    color: var(--crayon-text);
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
}

.crayon-input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 200, 255, 0.55);
    box-shadow: 0 0 0 0.2rem rgba(0, 119, 255, 0.15);
    color: var(--crayon-text);
}

.crayon-btn-login {
    background: #1f2937;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #f8fafc;
    font-weight: 700;
    padding: 0.8rem 1rem;
    border-radius: 0.75rem;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.crayon-btn-login:hover {
    transform: translateY(-1px);
    background: #111827;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
    color: #ffffff;
}

.crayon-auth-links {
    display: grid;
    gap: 0.5rem;
}

.crayon-auth-links a {
    color: var(--crayon-cyan);
    text-decoration: none;
    font-size: 0.92rem;
}

.crayon-auth-links a:hover {
    color: #fff;
}

.crayon-auth-alert {
    background: rgba(255, 47, 47, 0.15);
    border: 1px solid rgba(255, 120, 120, 0.45);
    color: #fecaca;
    border-radius: 0.75rem;
    padding: 0.85rem 1rem;
}

.crayon-auth-alert ul {
    margin-bottom: 0;
    padding-left: 1.1rem;
}

.crayon-recovered-password {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(0, 200, 255, 0.35);
    border-radius: 0.75rem;
    color: #f8fafc;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.9rem 1rem;
    word-break: break-word;
}

.form-check-label,
.text-muted {
    color: var(--crayon-muted) !important;
}

@media (max-width: 991.98px) {
    .crayon-auth-shell {
        grid-template-columns: 1fr;
    }

    .crayon-auth-brand {
        min-height: 280px;
        padding: 2rem 1.5rem;
    }

    .crayon-auth-logo-square {
        width: min(240px, 78vw);
        padding: 0.75rem;
    }

    .crayon-auth-system-name {
        font-size: 1rem;
        max-width: 18rem;
    }
}