@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&display=swap');

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

body {
    font-family: 'Prompt', sans-serif;
    background-image: url('../images/bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 20px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 0;
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

/* Register form - wider layout */
.register-container {
    max-width: 800px;
}

.register-box {
    padding: 45px 50px;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 25px;
    padding: 40px;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    animation: slideUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 215, 0, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

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

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: #333;
    font-size: 28px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-header h1 i {
    color: #ffd700;
    font-size: 32px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

.login-form {
    margin-bottom: 25px;
}

.register-form {
    margin-bottom: 25px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group-half {
    flex: 1;
    margin-bottom: 0;
}

.form-group label {
    display: block;
    color: #333;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group label i {
    color: #ffd700;
    font-size: 16px;
}

.form-group input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Prompt', sans-serif;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #fff;
    letter-spacing: 0.05em;
    position: relative;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: #ffd700;
    box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.15), 0 4px 12px rgba(255, 215, 0, 0.1);
    transform: translateY(-2px);
}

.form-group input:hover {
    border-color: #ffed4e;
}

.form-group input::placeholder {
    color: #999;
}

.btn-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #ffd700 0%, #ffb347 100%);
    color: #333;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    font-family: 'Prompt', sans-serif;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    min-height: 48px; /* Touch-friendly size */
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-login:hover::before {
    width: 300px;
    height: 300px;
}

.btn-login:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 215, 0, 0.5);
}

.btn-login:active {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.4);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-footer {
    margin-top: 25px;
}

.divider {
    text-align: center;
    margin: 20px 0;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background: #e0e0e0;
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.divider span {
    background: rgba(255, 255, 255, 0.95);
    padding: 0 15px;
    color: #999;
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.btn-register {
    display: block;
    width: 100%;
    padding: 14px;
    background: transparent;
    color: #333;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Prompt', sans-serif;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-register:hover {
    border-color: #ffd700;
    color: #ffd700;
    background: rgba(255, 215, 0, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.15);
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .login-container {
        max-width: 100%;
        padding: 10px;
    }
    
    .register-container {
        max-width: 100%;
    }
    
    .login-box, .register-box {
        padding: 30px 20px;
        border-radius: 20px;
    }
    
    .login-header h1 {
        font-size: 24px;
    }
    
    .login-header h1 i {
        font-size: 28px;
    }
    
    .login-header p {
        font-size: 13px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .form-group-half {
        margin-bottom: 20px;
    }
    
    .form-group label {
        font-size: 13px;
    }
    
    .form-group input {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .btn-login, .btn-register {
        padding: 14px;
        font-size: 15px;
    }
    
    .social-icons {
        gap: 10px;
        margin-top: 20px;
    }
    
    .social-icon {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}

/* Social Icons */
.social-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid #e0e0e0;
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffd700 0%, #ffb347 100%);
    color: #333;
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.2);
}

.social-icon:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.4);
    background: linear-gradient(135deg, #ffed4e 0%, #ffd700 100%);
}

.social-icon:active {
    transform: translateY(-2px) scale(1.05);
}

@media (max-width: 480px) {
    body {
        padding: 5px;
    }
    
    .login-container {
        padding: 5px;
    }
    
    .login-box, .register-box {
        padding: 25px 15px;
        border-radius: 15px;
    }
    
    .login-header h1 {
        font-size: 22px;
        flex-direction: column;
        gap: 5px;
    }
    
    .login-header h1 i {
        font-size: 24px;
    }
    
    .login-header p {
        font-size: 12px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group label {
        font-size: 12px;
        margin-bottom: 6px;
    }
    
    .form-group label i {
        font-size: 14px;
    }
    
    .form-group input {
        padding: 10px 12px;
        font-size: 14px;
        border-radius: 10px;
    }
    
    .btn-login, .btn-register {
        padding: 12px;
        font-size: 14px;
        border-radius: 10px;
    }
    
    .divider {
        margin: 15px 0;
    }
    
    .divider span {
        font-size: 12px;
        padding: 0 10px;
    }
    
    .social-icons {
        gap: 8px;
        margin-top: 15px;
        padding-top: 20px;
    }
    
    .social-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}