/* --------------------------------------------------
   Login Page — Modern Split Layout
   -------------------------------------------------- */

.login-container {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
    background:
        radial-gradient(circle at 15% 20%, rgba(128, 0, 128, 0.10), transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(75, 0, 130, 0.12), transparent 45%),
        #f6f5fb;
}

.login-shell {
    width: 100%;
    max-width: 920px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 60px -15px rgba(75, 0, 130, 0.25), 0 10px 25px -10px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(75, 0, 130, 0.08);
}

/* ---------- Left: brand visual panel ---------- */
.login-visual {
    position: relative;
    display: flex;
    align-items: center;
    background: linear-gradient(150deg, var(--blue-dark) 0%, var(--blue-main) 65%, #9333ea 100%);
    padding: 48px 40px;
    color: var(--white);
    overflow: hidden;
}

.login-visual::before,
.login-visual::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
}

.login-visual::before {
    width: 260px;
    height: 260px;
    top: -80px;
    right: -60px;
}

.login-visual::after {
    width: 180px;
    height: 180px;
    bottom: -60px;
    left: -40px;
    background: rgba(255, 255, 255, 0.06);
}

.login-visual-inner {
    position: relative;
    z-index: 1;
}

.login-visual-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    padding: 8px;
    margin-bottom: 28px;
}

.login-visual-inner h2 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 16px;
}

.login-visual-inner p {
    font-size: 14.5px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    max-width: 320px;
}

.login-visual-list {
    list-style: none;
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-visual-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.9);
}

.login-visual-list li i {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    font-size: 12px;
}

/* ---------- Right: form panel ---------- */
.login-card {
    padding: 48px 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--blue-light);
    color: var(--blue-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 20px;
}

.login-card h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.login-card .login-sub {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 28px;
    line-height: 1.6;
}

.login-error {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #b91c1c;
    background: #fee2e2;
    border: 1px solid #fecaca;
    padding: 11px 14px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 13.5px;
}

.form-field {
    margin-bottom: 18px;
}

.form-field label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--text-dark);
}

.input-icon-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon-wrap > i {
    position: absolute;
    left: 15px;
    color: var(--text-muted);
    font-size: 15px;
    pointer-events: none;
    transition: color .2s;
}

.input-icon-wrap input {
    width: 100%;
    padding: 13px 16px 13px 44px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    background: #f8f8fb;
    color: var(--text-body);
    font-size: 14.5px;
    font-family: Sarabun, "Noto Sans Thai", sans-serif;
    transition: border-color .2s, box-shadow .2s, background .2s;
    outline: none;
}

.input-icon-wrap input:focus {
    border-color: var(--blue-main);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(128, 0, 128, 0.12);
}

.input-icon-wrap input:focus + i,
.input-icon-wrap input:focus ~ i {
    color: var(--blue-main);
}

.password-toggle {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
}

.password-toggle:hover {
    color: var(--blue-main);
}

#id_card_number {
    padding-right: 42px;
}

.login-submit-btn {
    width: 100%;
    padding: 14px;
    margin-top: 10px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--blue-dark), var(--blue-main));
    color: var(--white);
    font-size: 15px;
    font-weight: 600;
    font-family: Sarabun, "Noto Sans Thai", sans-serif;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform .15s, box-shadow .2s, opacity .2s;
    box-shadow: 0 10px 20px -8px rgba(75, 0, 130, 0.45);
}

.login-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 24px -8px rgba(75, 0, 130, 0.55);
}

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

.login-footnote {
    margin-top: 24px;
    text-align: center;
    font-size: 12.5px;
    color: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 820px) {
    .login-shell {
        grid-template-columns: 1fr;
        max-width: 460px;
    }

    .login-visual {
        display: none;
    }

    .login-card {
        padding: 40px 28px;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 24px 14px;
    }

    .login-card {
        padding: 32px 22px;
    }
}