/* Reset en basis stijlen */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Animated Background */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape:nth-child(1) {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.shape:nth-child(2) {
    width: 200px;
    height: 200px;
    top: 50%;
    right: -100px;
    animation-delay: 2s;
}

.shape:nth-child(3) {
    width: 150px;
    height: 150px;
    bottom: -75px;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

/* Container */
.container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Login Container */
.login-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideUp 0.8s ease-out;
}

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

/* Header */
.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo i {
    font-size: 2.5rem;
    color: #fff;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.logo h1 {
    color: #fff;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    font-weight: 400;
}

/* Form */
.login-form {
    margin-bottom: 30px;
}

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

.input-wrapper {
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 15px 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.input-wrapper:focus-within {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.input-wrapper i {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    margin-right: 15px;
}

.input-wrapper input {
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 1rem;
    width: calc(100% - 50px);
    font-family: 'Inter', sans-serif;
}

.input-wrapper input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.input-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.input-wrapper:focus-within .input-line {
    width: 100%;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: #fff;
}

/* Login Button */
.login-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    padding: 15px;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
}

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

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.login-btn:hover::before {
    left: 100%;
}

.btn-loader {
    display: none;
}

.btn-loader i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Footer */
.login-footer {
    text-align: center;
}

.login-footer p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}



/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .login-container {
        padding: 40px 30px;
        max-width: 400px;
    }
    
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .logo i {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .input-wrapper {
        padding: 14px 18px;
    }
    
    .input-wrapper input {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .login-btn {
        padding: 14px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    .login-container {
        padding: 30px 20px;
        max-width: 350px;
    }
    
    .logo h1 {
        font-size: 1.6rem;
    }
    
    .logo i {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 0.875rem;
    }
    
    .input-wrapper {
        padding: 12px 15px;
    }
    
    .input-wrapper i {
        font-size: 1rem;
        margin-right: 12px;
    }
    
    .login-btn {
        padding: 12px;
        font-size: 0.95rem;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
}

@media (max-width: 360px) {
    .login-container {
        padding: 25px 15px;
        max-width: 320px;
    }
    
    .logo h1 {
        font-size: 1.4rem;
    }
    
    .logo i {
        font-size: 1.75rem;
    }
    
    .input-wrapper {
        padding: 10px 12px;
    }
    
    .input-wrapper input {
        font-size: 14px;
    }
    
    .login-btn {
        padding: 10px;
        font-size: 0.9rem;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .login-container {
        padding: 20px 30px;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .logo {
        margin-bottom: 20px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
}