/* BNL — Modern login */

:root {
    --login-primary: #0f2736;
    --login-primary-light: #1a3a52;
    --login-accent: #5886ff;
    --login-accent-hover: #4670e6;
    --login-muted: #64748b;
    --login-border: #e2e8f0;
    --login-surface: #ffffff;
    --login-radius: 16px;
    --login-shadow: 0 20px 50px rgba(15, 39, 54, 0.18);
}

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

body.login-page {
    margin: 0;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--login-primary);
    background: var(--login-primary);
}

.login-shell {
    display: flex;
    min-height: 100vh;
}

/* Brand panel */
.login-brand {
    flex: 1.1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, var(--login-primary) 0%, var(--login-primary-light) 55%, #243f58 100%);
    color: #fff;
}

.login-brand::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("../img/signin-image.jpg") center / cover no-repeat;
    opacity: 0.18;
}

.login-brand::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(88, 134, 255, 0.35) 0%, transparent 70%);
    top: -80px;
    right: -80px;
    pointer-events: none;
}

.login-brand-inner {
    position: relative;
    z-index: 1;
    max-width: 420px;
}

.login-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.login-brand h1 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.login-brand p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.78);
}

.login-brand-features {
    margin-top: 2.5rem;
    display: grid;
    gap: 0.85rem;
}

.login-brand-features .item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.88);
}

.login-brand-features .item i {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(88, 134, 255, 0.2);
    color: #a8c0ff;
    font-size: 0.85rem;
}

/* Form panel */
.login-form-panel {
    flex: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: #f6f8fb;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--login-surface);
    border-radius: var(--login-radius);
    box-shadow: var(--login-shadow);
    padding: 2.25rem 2rem 1.75rem;
    border: 1px solid var(--login-border);
}

.login-logo {
    display: block;
    max-width: 180px;
    height: auto;
    margin: 0 auto 1.5rem;
}

.login-card h2 {
    margin: 0 0 0.35rem;
    font-size: 1.35rem;
    font-weight: 700;
    text-align: center;
    color: var(--login-primary);
}

.login-card .subtitle {
    margin: 0 0 1.75rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--login-muted);
}

.login-field {
    margin-bottom: 1.1rem;
}

.login-field label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--login-primary);
}

.login-input-wrap {
    position: relative;
}

.login-input-wrap i {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-muted);
    font-size: 0.9rem;
    pointer-events: none;
}

.login-input-wrap input {
    width: 100%;
    padding: 0.72rem 0.9rem 0.72rem 2.5rem;
    border: 1px solid var(--login-border);
    border-radius: 10px;
    font-size: 0.9375rem;
    color: var(--login-primary);
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.login-input-wrap input:focus {
    outline: none;
    border-color: var(--login-accent);
    box-shadow: 0 0 0 3px rgba(88, 134, 255, 0.15);
}

.login-input-wrap input::placeholder {
    color: #94a3b8;
}

.login-alert {
    margin-bottom: 1rem;
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    font-size: 0.8125rem;
    line-height: 1.4;
}

.login-btn {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.78rem 1rem;
    border: none;
    border-radius: 10px;
    background: var(--login-accent);
    color: #fff;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}

.login-btn:hover {
    background: var(--login-accent-hover);
}

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

.login-switch {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.8125rem;
}

.login-switch a {
    color: var(--login-muted);
    text-decoration: none;
    transition: color 0.15s;
}

.login-switch a:hover {
    color: var(--login-accent);
}

.login-footer {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--login-border);
    text-align: center;
    font-size: 0.75rem;
    color: var(--login-muted);
}

@media (max-width: 900px) {
    .login-shell {
        flex-direction: column;
    }

    .login-brand {
        padding: 2rem 1.5rem 1.75rem;
        min-height: auto;
    }

    .login-brand-features {
        display: none;
    }

    .login-form-panel {
        padding: 1.5rem 1rem 2rem;
        flex: 1;
    }

    .login-card {
        box-shadow: 0 8px 30px rgba(15, 39, 54, 0.1);
    }
}