@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

/* === RESET & BASE === */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    background-attachment: fixed;
    background-size: cover;
}

/* === NAVBAR === */
.navbar {
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255,255,255,0.4);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: auto;
}
.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #00695c;
    text-decoration: none;
}
.nav-menu {
    list-style: none;
    display: flex;
    gap: 15px;
    align-items: center;
}
.nav-menu a {
    text-decoration: none;
    color: #004d40;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 20px;
    transition: all 0.3s ease;
}
.nav-menu a:hover {
    background: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}
.btn-nav.btn-register { background: #ffb300; color: white; }
.btn-nav.btn-login { background: #26a69a; color: white; }
.btn-nav.btn-admin { background: #5c6bc0; color: white; }
.hamburger {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
}

/* === CARD GLASSMORPHISM === */
.card-glass {
    background: rgba(255,255,255,0.35);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.5);
    box-shadow: 0 8px 32px rgba(31,38,135,0.15);
    padding: 25px;
    margin-bottom: 25px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card-glass:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(31,38,135,0.25);
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 10px 25px;
    border: none;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    text-align: center;
    margin: 5px;
}
.btn-primary { background: #26a69a; color: white; }
.btn-warning { background: #ffb300; color: white; }
.btn-danger { background: #ef5350; color: white; }
.btn-success { background: #66bb6a; color: white; }
.btn-info { background: #29b6f6; color: white; }
.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}
.btn:active {
    transform: translateY(0);
}

/* === FORMS === */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #004d40;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: 15px;
    background: rgba(255,255,255,0.5);
    font-size: 1rem;
    font-family: inherit;
    transition: border 0.3s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border: 1px solid #26a69a;
    background: rgba(255,255,255,0.8);
}
.form-group textarea {
    resize: vertical;
}
fieldset {
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
}
legend {
    font-weight: 700;
    color: #00695c;
    padding: 0 10px;
}

/* === UTILITY === */
.d-none { display: none !important; }
.container {
    max-width: 1000px;
    margin: 30px auto;
    padding: 0 20px;
}
.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    background: rgba(255,255,255,0.5);
    font-weight: 600;
    font-size: 0.85rem;
}
.row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.col {
    flex: 1;
    min-width: 200px;
}
footer {
    text-align: center;
    padding: 10px;
    color: #004d40;
    font-weight: 500;
}

/* === SIDEBAR & ADMIN LAYOUT === */
.admin-layout {
    display: flex;
    min-height: 100vh;
}
.sidebar {
    width: 260px;
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255,255,255,0.5);
    padding: 20px 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 200;
}
.sidebar-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: #004d40;
    padding: 10px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.5);
    margin-bottom: 10px;
}
.sidebar ul {
    list-style: none;
}
.sidebar ul li a {
    display: block;
    padding: 12px 20px;
    color: #004d40;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}
.sidebar ul li a:hover {
    background: rgba(255,255,255,0.5);
    transform: translateX(5px);
    border-radius: 0 20px 20px 0;
}
.admin-main {
    margin-left: 260px;
    flex: 1;
    padding: 30px;
}

/* === SWEETALERT2 GLASS === */
.swal2-popup {
    background: rgba(255,255,255,0.35) !important;
    backdrop-filter: blur(15px);
    border-radius: 20px !important;
    border: 1px solid rgba(255,255,255,0.5);
}

/* === RESPONSIVE (Mobile) === */
@media (max-width: 768px) {
    body {
        font-size: 16px;
        line-height: 1.5;
    }
    .container {
        padding: 0 15px;
        margin: 20px auto;
    }
    .card-glass {
        padding: 20px 15px;
        margin-bottom: 20px;
        border-radius: 18px;
    }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }

    /* Navbar */
    .navbar .container {
        flex-wrap: wrap;
        padding: 10px 15px;
    }
    .logo {
        font-size: 1.2rem;
    }
    .nav-menu {
        width: 100%;
        justify-content: flex-start;
        gap: 8px;
        padding-top: 10px;
    }
    .nav-menu a {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    .btn {
        padding: 12px 20px;
        font-size: 1rem;
        margin: 5px 2px;
        width: auto;
    }
    .btn-sm {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    /* Form */
    .form-group label {
        font-size: 0.95rem;
        margin-bottom: 5px;
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 15px;
        font-size: 1rem;
        border-radius: 12px;
    }
    fieldset {
        padding: 15px 10px;
        margin-bottom: 15px;
    }
    legend {
        font-size: 1rem;
    }

    /* Sidebar */
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
        backdrop-filter: blur(12px);
        padding: 15px;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.5);
    }
    .sidebar-logo {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    .sidebar ul {
        display: flex;
        flex-wrap: wrap;
        gap: 5px;
    }
    .sidebar ul li a {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    .admin-main {
        margin-left: 0;
        padding: 20px 15px;
    }

    /* Welcome card */
    .welcome-card {
        padding: 20px 15px;
        font-size: 1rem;
    }
    .welcome-card .nama-anak {
        font-size: 1.5rem;
    }
    .jam-digital {
        font-size: 1.2rem;
        padding: 6px 18px;
    }

    /* Tabel */
    table {
        font-size: 0.9rem;
    }
    .card-glass table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    /* Tabs */
    .tabs {
        flex-direction: row;
        gap: 3px;
    }
    .tab-btn {
        padding: 8px 14px;
        font-size: 0.8rem;
    }

    /* Pagination */
    .pagination a, .pagination span {
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    /* Fallback input */
    .fallback-input {
        font-size: 1rem;
    }

    footer {
        font-size: 0.85rem;
        padding: 15px;
    }
}