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

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}

.login-page {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* ── Left branding panel ── */
.login-left {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #0a1e3d;
    background-image: url('../images/login-bg-left.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    padding: 3rem 2.5rem;
    color: #fff;
}

.login-left::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(5, 20, 50, 0.55) 0%,
        rgba(5, 20, 50, 0.35) 50%,
        rgba(5, 20, 50, 0.65) 100%
    );
    pointer-events: none;
}

.login-left-content {
    position: relative;
    z-index: 1;
    max-width: 420px;
    width: 100%;
    text-align: center;
}

.login-welcome-to {
    font-size: 1.35rem;
    font-weight: 400;
    margin: 0 0 1.75rem;
    letter-spacing: 0.02em;
    opacity: 0.95;
}

.login-logo-wrap {
    display: inline-block;
    background: #ffffff;
    border-radius: 14px;
    padding: 1.5rem 2.25rem;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
    margin-bottom: 1.75rem;
    line-height: 0;
}

.login-logo-wrap img {
    display: block;
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

.login-title {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.45;
    margin: 0 0 0.5rem;
    opacity: 0.98;
}

.login-subtitle {
    font-size: 1rem;
    font-weight: 500;
    margin: 0 0 1.5rem;
    opacity: 0.9;
}

.login-notice {
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1.7;
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.login-copyright {
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
    margin: 1.75rem 0 0;
    padding: 0.6rem 1.25rem;
    display: inline-block;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

/* ── Right form panel ── */
.login-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
    padding: 2.5rem;
}

.login-form-wrap {
    width: 100%;
    max-width: 400px;
}

.login-form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-form-wrap h1 {
    font-size: 2rem;
    font-weight: 600;
    color: #37474f;
    margin: 0 0 0.25rem;
}

.login-form-wrap h2 {
    font-size: 1.35rem;
    font-weight: 400;
    color: #546e7a;
    margin: 0;
}

.login-field {
    position: relative;
    margin-bottom: 1.25rem;
}

.login-field input {
    width: 100%;
    padding: 0.85rem 1rem 0.85rem 2.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    background: #eceff1;
    font-size: 0.95rem;
    color: #37474f;
    outline: none;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.login-field input:focus {
    border-color: #1976d2;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.12);
}

.login-field input.is-invalid {
    border-color: #e53935;
}

.login-field-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #90a4ae;
    font-size: 0.95rem;
    pointer-events: none;
}

.login-field-error {
    color: #e53935;
    font-size: 0.82rem;
    margin-top: 0.35rem;
}

.login-remember {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    font-size: 0.92rem;
    color: #546e7a;
    cursor: pointer;
    user-select: none;
}

.login-remember input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #1976d2;
    cursor: pointer;
}

.login-submit {
    width: 100%;
    padding: 0.9rem;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #42a5f5 0%, #1976d2 100%);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(25, 118, 210, 0.35);
    transition: transform 0.15s, box-shadow 0.15s;
}

.login-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(25, 118, 210, 0.45);
}

.login-submit:active {
    transform: translateY(0);
}

.login-forgot {
    display: block;
    text-align: center;
    margin-top: 1.25rem;
    color: #1976d2;
    font-size: 0.92rem;
    text-decoration: none;
    transition: color 0.15s;
}

.login-forgot:hover {
    color: #0d47a1;
    text-decoration: none;
}

.login-captcha-error {
    color: #e53935;
    font-size: 0.85rem;
    text-align: center;
    margin-top: 0.75rem;
}

.login-mobile-logo {
    display: none;
}

/* ── Responsive ── */
@media (max-width: 991.98px) {
    .login-left {
        display: none;
    }

    .login-right {
        flex: 1;
        min-height: 100vh;
        padding: 2.5rem 1.5rem;
        background-color: #0a1e3d;
        background-image: url('../images/login-bg-left.png');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        position: relative;
    }

    .login-right::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(
            180deg,
            rgba(5, 20, 50, 0.55) 0%,
            rgba(5, 20, 50, 0.35) 50%,
            rgba(5, 20, 50, 0.65) 100%
        );
        pointer-events: none;
    }

    .login-form-wrap {
        position: relative;
        z-index: 1;
    }

    .login-mobile-logo {
        display: inline-block;
        margin-bottom: 1.5rem;
    }

    .login-form-wrap h1,
    .login-form-wrap h2 {
        color: #ffffff;
    }

    .login-remember {
        color: rgba(255, 255, 255, 0.92);
    }

    .login-forgot {
        color: #90caf9;
    }

    .login-forgot:hover {
        color: #ffffff;
    }
}

@media (max-width: 575.98px) {
    .login-form-wrap h1 {
        font-size: 1.65rem;
    }

    .login-form-wrap h2 {
        font-size: 1.15rem;
    }

    .login-mobile-logo.login-logo-wrap {
        padding: 1.25rem 1.75rem;
        border-radius: 12px;
    }
}