/* VARIABEL & RESET */
:root {
    --primary-color: #96efff;
    --second-color: #ffffff;
    --black-color: #000000;
    --sidik-bg-card: #02014b;
    /* Biru Gelap Solid */
    --sidik-btn-primary: #3b82f6;
    --sidik-btn-hover: #1e60d4;
    --sidik-text-secondary: #aaaaaa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}

.login-body {
    background: linear-gradient(135deg, #0047b3 0%, #000024 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* LOGIN CARD - NO GLASSMORPHISM */
.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: #ffffff;
    /* Warna solid tegas */
    padding: 35px 30px;
    border-radius: 16px;
    border: 1px solid rgba(150, 239, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    color: var(--second-color);
}

.login-logo {
    text-align: center;
    margin-bottom: 5px;
}

.login-logo img {
    width: 180px;
    /* Sedikit lebih besar agar "HD" */
    height: auto;
}

.login-subtitle {
    text-align: center;
    color: var(--sidik-bg-card);
    margin-bottom: 25px;
    font-size: 13px;
    letter-spacing: 0.5px;
}

/* INPUT BOX & FLOATING LABEL */
.input_box {
    position: relative;
    margin-bottom: 20px;
}

.input-field {
    width: 100%;
    height: 45px;
    background: transparent;
    color: var(--black-color);
    padding: 0 45px 0 15px;
    border: 1.5px solid rgba(74, 196, 248, 0.772);
    border-radius: 10px;
    outline: none;
    transition: 0.3s;
}

.input-field:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(150, 176, 255, 0.2);
}

.label {
    position: absolute;
    top: 12px;
    left: 15px;
    color: var(--sidik-text-secondary);
    transition: 0.2s;
    pointer-events: none;
}

/* Penyesuaian agar background label menutup border saat melayang */
.input-field:focus~.label,
.input-field:valid~.label {
    top: -10px;
    left: 12px;
    font-size: 11px;
    background: #ffffff;
    padding: 0 5px;
    color: var(--sidik-text-secondary);
}

.icon {
    position: absolute;
    top: 13px;
    right: 15px;
    font-size: 18px;
    color: var(--sidik-btn-primary);
}

/* BUTTON LOGIN */
/* login.css */

/* Ganti .input-submit menjadi .btn-login */
.btn-login {
    width: 100%;
    height: 45px;
    background: var(--sidik-btn-primary);
    /* Warna biru dari variabel */
    color: #ffffff;
    /* GANTI KE PUTIH agar tulisan kelihatan */
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    display: block;
    /* Memastikan tombol merender ukuran dengan benar */
}

.btn-login:hover {
    background: var(--sidik-btn-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
    /* Tambah efek shadow pas hover biar HD */
}

.alert-error {
    background: rgba(216, 0, 12, 0.1);
    color: #ff6b6b;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 12px;
    border: 1px solid rgba(216, 0, 12, 0.2);
}