/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: radial-gradient(circle at top, hsl(253, 46%, 14%), #090910);
    color: #e9e9ff;
    line-height: 1.6;
}

/* HEADER */
header {
    backdrop-filter: blur(6px);
    padding: 0.5rem 1rem;
}

.navbar .navbar-brand,
.navbar .nav-link {
    color: white !important;
}

.navbar-brand {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 0.5rem 0;
}

.nav-link {
    padding: 0.6rem 1rem;
    font-size: 1.05rem;
    opacity: 0.85;
    transition: 0.2s;
}

.nav-link:hover {
    opacity: 1;
    color: #a78bfa !important;
}

.navbar-toggler {
    padding: 0.5rem;
}

.navbar-toggler-icon {
    width: 30px;
    height: 30px;
    filter: invert(1);
}

.dropdown-menu {
    background: #141428 !important;
    border-radius: 12px;
    border: none;
}

.dropdown-item {
    color: white !important;
}

.dropdown-item:hover {
    background: #202040 !important;
}

/* HERO SECTION */
.hero {
    padding: 8rem 2rem;
    text-align: center;
    background-image:
        url("../images/crypto-bg.jpg");
    background-size: cover;
    background-position: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
}

.hero p {
    font-size: 1.3rem;
    color: #c7c7ff;
    margin-bottom: 2rem;
}

.hero a {
    text-decoration: none;
    color: #ffffff;
}

/* BOUTONS */
.btn-primary {
    background: linear-gradient(45deg, #7c3aed, #4f46e5);
    border: none;
    border-radius: 50px;
    padding: 0.9rem 2rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(124,58,237,0.4);
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(124,58,237,0.6);
}

/* SECTION CRYPTO */
.crypto-section {
    padding: 6rem 2rem;
    text-align: center;
}

.crypto-section h2 {
    font-size: 2.3rem;
    margin-bottom: 1rem;
    color: rgb(255, 255, 255);
}

.crypto-section p {
    max-width: 700px;
    margin: auto;
    margin-bottom: 3rem;
    color: #b8b8d9;
}

/* Données */
.crypto-cards,
.card-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.crypto-cards .card,
.card-list {
    background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(79,70,229,0.15));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(124,58,237,0.3);
    border-radius: 18px;
    padding: 2rem;
    width: 300px;
    transition: all 0.3s ease;
}

.crypto-cards .card:hover,
.card-list:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(124,58,237,0.4);
    border-color: rgba(124,58,237,0.6);
}

.card h3,
.card-list h5 {
    color: #ffffff;
}

.card p,
.card-list p {
    color: #d0d0ff;
}

.crypto-cards .card img,
.card-list img {
    height: 180px;
    object-fit: contain;
    border-radius: 12px;
    display: block;
    margin-bottom: 1rem;
}

/* FORMULAIRE */
form {
    display: flex;
    justify-content: center;
    padding: 4rem 2rem;
}

form p {
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(8px);
    border-radius: 18px;
    padding: 2rem;
    width: 340px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border: 1px solid rgba(255,255,255,0.05);
}

form label {
    font-weight: 600;
    color: #d4d4ff;
}

form input[type="text"] {
    padding: 0.8rem;
    border-radius: 10px;
    border: 1px solid #2c2c44;
    background: #0d0d1a;
    color: white;
}

form input[type="text"]:focus {
    outline: none;
    border-color: #7c3aed;
}

form input[type="submit"] {
    padding: 0.8rem;
    border: none;
    border-radius: 40px;
    background: linear-gradient(45deg, #7c3aed, #4f46e5);
    color: white;
    font-weight: 600;
    cursor: pointer;
}

form span {
    color: #ff6b6b;
    font-size: 0.9rem;
}

/* PAGE REPONSE */
.reponse-container {
    display: flex;
    justify-content: center;
    padding: 5rem 2rem;
}

.reponse-card {
    background: rgba(255,255,255,0.03);
    padding: 2rem;
    border-radius: 18px;
    text-align: center;
    width: 320px;
    border: 1px solid rgba(255,255,255,0.05);
}

.reponse-card h1 {
    margin-bottom: 1rem;
    font-weight: 600;
    color: #d4d4ff;
}

.reponse-card p {
    color: #b8b8d9;
}

.reponse-card span {
    color: #8b5cf6;
    font-weight: 700;
}

/* FOOTER */
footer {
    margin-top: 4rem;
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

footer ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 0;
    margin: 0;
}

footer ul li a {
    text-decoration: none;
    color: #b8b8d9;
}

footer ul li a:hover {
    color: #ffffff;
}

footer p {
    margin-top: 1rem;
    color: #9a9ab0;
}

/* ADMIN */
.admin {
    padding: 4rem 2rem;
    text-align: center;
    background-image:
        url("../images/crypto-bg.jpg");
    background-size: cover;
    background-position: center;
}

.admin h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
}

.admin p {
    font-size: 1.3rem;
    color: #c7c7ff;
    margin-bottom: 2rem;
}

.admin a {
    text-decoration: none;
    color: #ffffff;
}

.admin-section {
    padding: 6rem 2rem;
    text-align: center;
}

.admin-section h2 {
    font-size: 2.3rem;
    margin-bottom: 1rem;
    color: rgb(255, 255, 255);
}

.admin-section p {
    max-width: 700px;
    margin: auto;
    margin-bottom: 3rem;
    color: #b8b8d9;
}

.admin-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.admin-cards .card {
    background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(79,70,229,0.15));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(124,58,237,0.3);
    border-radius: 18px;
    padding: 2rem;
    width: 300px;
    transition: all 0.3s ease;
}

.admin-cards .card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(124,58,237,0.4);
    border-color: rgba(124,58,237,0.6);
}

.admin table {
    display: table;
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    margin-top: 2rem;
    color: #e9e9ff;
}

.admin table th,
.admin table td {
    padding: 1rem;
    border: 1px solid rgba(255,255,255,0.1);
    word-break: break-word;
    white-space: normal;
}

.admin .table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.admin .table-wrapper::-webkit-scrollbar {
    height: 8px;
}
.admin .table-wrapper::-webkit-scrollbar-thumb {
    background: rgba(124,58,237,0.35);
    border-radius: 8px;
}

.admin form {
    margin-top: 2rem;
    display: grid;
    place-items: center;
    margin: 0 auto;
    width: 32rem;
    padding: 1rem 2rem;
    color: #ffffff;
    background-color: #4c2492;
    border: none;
    border-radius: 40px;
    gap: 1rem;
}

.admin form input[type="text"],
.admin form input[type="date"],
.admin form input[type="number"] {
    width: 100%;
    max-width: 400px;
    margin: 0.5rem 0;
    background-color: #ffffff;
    color: black;
}

/* RESPONSIVE */
@media (max-width:576px) {
    .hero {
        padding: 6rem 1.5rem;
    }

    .hero h1 {
        font-size: 2.4rem;
    }

    .crypto-cards {
        flex-direction: column;
        align-items: center;
    }

    .card,
    .card-list {
        width: 100%;
    }
    
    /* Images responsive */
    .crypto-cards .card img,
    .card-list img {
        height: auto;
    }

    .admin {
        padding: 6rem 1.5rem;
    }
}