/* =====================================================================
   i-NIPT  •  Login (ธีมฟ้าสะอาดตา)
   ใช้ร่วมกันทั้ง 3 หน้า login (root / rhpc / hospital)
   ===================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Prompt:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
    --nipt-primary:      #0d8bd9;
    --nipt-primary-rgb:  13, 139, 217;
    --nipt-primary-dark: #0a6fad;
    --nipt-cyan:         #00bcd4;
    --nipt-cyan-rgb:     0, 188, 212;
    --nipt-deep:         #034a8a;

    /* เฉดไล่สีของหัวการ์ด + ปุ่ม (palette ต่อ role จะ override) */
    --nipt-grad-from:    #0070c0;
    --nipt-grad-to:      #00bcd4;
}

* { box-sizing: border-box; }

body {
    font-family: 'Prompt', 'Segoe UI', sans-serif;
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        radial-gradient(circle at 15% 20%, rgba(var(--nipt-cyan-rgb), 0.22) 0%, transparent 38%),
        radial-gradient(circle at 85% 85%, rgba(var(--nipt-primary-rgb), 0.24) 0%, transparent 42%),
        linear-gradient(135deg, #eef6fb 0%, #f7fbff 55%, #f0f7fc 100%);
    position: relative;
    overflow: hidden;
}

/* ลายเส้น DNA จาง ๆ มุมขวา */
body::after {
    content: "🧬";
    position: absolute;
    right: -60px;
    bottom: -80px;
    font-size: 360px;
    color: rgba(var(--nipt-primary-rgb), 0.05);
    transform: rotate(12deg);
    pointer-events: none;
}

.login-card {
    width: 100%;
    max-width: 400px;
    border: none;
    border-radius: 22px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 24px 60px rgba(3, 74, 138, 0.18);
    position: relative;
    z-index: 1;
}

/* แถบหัวการ์ดไล่เฉดฟ้า */
.login-head {
    background: linear-gradient(135deg, var(--nipt-grad-from) 0%, var(--nipt-grad-to) 100%);
    color: #fff;
    text-align: center;
    padding: 32px 28px 26px;
}

.login-logo {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1;
    margin-bottom: 6px;
}
.login-logo span { opacity: 0.85; }

.login-divider {
    width: 64px;
    height: 3px;
    border: none;
    background: rgba(255, 255, 255, 0.65);
    border-radius: 3px;
    margin: 10px auto 12px;
    opacity: 1;
}

.login-role {
    font-size: 16px;
    font-weight: 500;
    opacity: 0.95;
}

.login-body { padding: 30px 30px 32px; }

.login-body .form-label {
    font-weight: 500;
    color: #455a64;
    margin-bottom: 6px;
}

.login-body .form-control {
    border-radius: 12px;
    padding: 11px 14px;
    border: 1.5px solid #dce6ee;
    background: #f7fbfe;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.login-body .form-control:focus {
    border-color: var(--nipt-primary);
    background: #fff;
    box-shadow: 0 0 0 0.2rem rgba(var(--nipt-primary-rgb), 0.18);
}

.btn-login {
    width: 100%;
    border: none;
    border-radius: 12px;
    padding: 12px;
    font-weight: 600;
    font-size: 16px;
    color: #fff;
    background: linear-gradient(135deg, var(--nipt-grad-from) 0%, var(--nipt-grad-to) 100%);
    box-shadow: 0 10px 22px rgba(var(--nipt-primary-rgb), 0.35);
    transition: transform .2s, box-shadow .2s, filter .2s;
}
.btn-login:hover {
    transform: translateY(-2px);
    filter: brightness(1.04);
    box-shadow: 0 14px 26px rgba(var(--nipt-primary-rgb), 0.42);
    color: #fff;
}
.btn-login:active { transform: translateY(0); }

.login-foot {
    text-align: center;
    margin-top: 18px;
}
.login-foot a {
    color: var(--nipt-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}
.login-foot a:hover { color: var(--nipt-primary-dark); }

.alert {
    border-radius: 12px;
    border: none;
}