/* ========== GLOBAL RESET ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 50px 20px;
    color: #333;
}

/* ========== CONTAINER ========== */
.container {
    background: #ffffffdd;
    padding: 30px 40px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    width: 100%;
    transition: all 0.3s ease;
}

/* ================== HEADINGS ================== */
h1, h2, h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

/* ================== TEXT ================== */
p {
    margin-bottom: 15px;
    text-align: center;
}

.error-msg {
    color: #f44336;
    margin-bottom: 15px;
}

/* ================== BUTTONS ================== */
button {
    padding: 10px 25px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: #fff;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s ease;
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.3);
}

/* ================== LINKS BUTTONS ================== */
a button {
    display: inline-block;
    margin: 10px 0;
}

/* ================== FORMS ================== */
input[type="text"], input[type="password"] {
    display: block;
    width: 95%;
    padding: 12px;
    margin: 8px 0 15px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 16px;
    transition: 0.3s ease;
}

input[type="text"]:focus, input[type="password"]:focus {
    outline: none;
    border-color: #2575fc;
    box-shadow: 0 0 8px rgba(37, 117, 252, 0.3);
}

.form-card button,
.inline-form button,
.btn-logout {
    margin-top: 10px;
}

.buttons {
    display: flex;
    justify-content: center; /* center horizontal */
    gap: 20px; /* jarak antar tombol */
    margin-top: 20px;
}

#flashcard-container p, 
#flashcard-container label {
    text-align: justify; /* teks pertanyaan dan opsi rata kiri-kanan */
    line-height: 1.5; /* agar lebih mudah dibaca */
}

.pagination button {
    padding: 8px 16px;
    margin: 0 5px;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: #fff;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.pagination button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: default;
}

/* ================== ADMIN PANEL ================== */

/* Container Add Card */
.form-card {
    background: #f0f4ff; /* warna lembut berbeda dari container utama */
    padding: 20px 25px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    margin-bottom: 40px;
}

.form-card input {
    display: block;
    width: 95%;
    padding: 12px;
    margin: 8px 0 12px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-card input:focus {
    border-color: #2575fc;
    box-shadow: 0 0 8px rgba(37, 117, 252, 0.3);
    outline: none;
}

.btn-add {
    padding: 10px 20px;
    font-weight: bold;
    border-radius: 8px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: #fff;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-add:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.3);
}

/* Existing Cards List */
.card-list {
    list-style: none;
    padding: 0;
}

.card-item {
    background-color: #ffffff;
    border-left: 5px solid #2575fc; /* garis biru untuk menonjolkan */
    margin-bottom: 15px;
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.card-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(0,0,0,0.15);
}

/* Soal number & correct answer highlight */
.card-item strong {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
    color: #2c3e50;
}

.card-item .card-meta {
    font-size: 14px;
    color: #555;
    margin-bottom: 8px;
}

/* Inline forms for edit/delete */
.inline-form {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 10px;
}

.inline-form input {
    width: 120px;
    padding: 6px 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
    transition: all 0.3s ease;
}

.inline-form input:focus {
    border-color: #2575fc;
    box-shadow: 0 0 5px #2575fc66;
    outline: none;
}

.inline-form button {
    padding: 6px 12px;
    border-radius: 6px;
    border: none;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Tombol edit/delete */
.btn-edit {
    background-color: #2196F3;
    color: #fff;
}

.btn-edit:hover {
    background-color: #0b7dda;
}

.btn-delete {
    background-color: #f44336;
    color: #fff;
}

.btn-delete:hover {
    background-color: #da190b;
}

/* Logout */
.btn-logout {
    padding: 8px 15px;
    background-color: #555;
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 20px;
}

.btn-logout:hover {
    background-color: #333;
}

.cards-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.cards-table th, .cards-table td {
    padding: 12px 15px;
    text-align: center;
}

.cards-table th {
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}

.cards-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.cards-table tr:hover {
    background-color: #e0e7ff;
}

/* Tombol aksi dalam tabel */
.cards-table .btn-edit,
.cards-table .btn-delete {
    padding: 5px 10px;
    font-size: 13px;
    border-radius: 6px;
    font-weight: 500;
}

.cards-table .btn-edit {
    background-color: #2196F3;
    color: #fff;
}

.cards-table .btn-edit:hover {
    background-color: #0b7dda;
}

.cards-table .btn-delete {
    background-color: #f44336;
    color: #fff;
}

.cards-table .btn-delete:hover {
    background-color: #da190b;
}

/* Responsive scroll untuk tabel jika layar kecil */
@media screen and (max-width: 768px) {
    .cards-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

/* ================== LOGIN FORM ================== */
.login-form {
    background: #f0f4ff;
    padding: 25px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.login-form input {
    display: block;
    width: 95%;
    padding: 12px;
    margin: 10px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
}

.login-form button {
    padding: 10px 20px;
    border-radius: 8px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: #fff;
    border: none;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.3);
}

/* ================== QUIZ FLASHCARD ================== */
#flashcard-container {
    background: #fefefe;
    padding: 25px 20px;
    border-radius: 15px;
    margin: 20px 0;
    min-height: 180px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, opacity 0.4s ease;
}

#flashcard-container.fade-out {
    opacity: 0;
    transform: translateY(-20px);
}

#flashcard-container.fade-in {
    opacity: 1;
    transform: translateY(0);
}

input[type="radio"] {
    margin-right: 10px;
}

input[type="radio"]:checked + label {
    background: #2575fc33;
    border-radius: 5px;
}

/* ================== MODAL ================== */
.modal {
    display: none; 
    position: fixed; 
    z-index: 10; 
    padding-top: 100px; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: #fff;
    margin: auto;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    animation: modalOpen 0.4s ease;
}

@keyframes modalOpen {
    from {opacity: 0; transform: scale(0.8);}
    to {opacity: 1; transform: scale(1);}
}

#close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    margin-top: -20px;
}

#close-modal:hover {
    color: #000;
}