@charset "utf-8";

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.signup-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 450px;
    animation: slideIn 0.6s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

h2 {
    color: #1e3a8a;
    text-align: center;
    margin-bottom: 30px;
    font-size: 24px;
    font-weight: 800;
    line-height: 1.3;
}

.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 8px;
    color: #334155;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"],
input[type="email"],
input[type="password"],
select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    background-color: #f8fafc;
    font-size: 15px;
    color: #1e293b;
    transition: all 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: #3b82f6;
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.btn-register {
    width: 100%;
    background: linear-gradient(to right, #1e3a8a, #3b82f6);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.4);
    filter: brightness(1.1);
}

.btn-register:active {
    transform: translateY(0);
}

.alert {
    padding: 14px;
    border-radius: 10px;
    margin-bottom: 25px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
}

.error {
    background-color: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fee2e2;
}

.login-link {
    text-align: center;
    margin-top: 25px;
    font-size: 14px;
    color: #64748b;
}

.login-link a {
    color: #1e3a8a;
    text-decoration: none;
    font-weight: 700;
}

.login-link a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    .signup-card {
        padding: 30px 20px;
    }
}