:root {
    --primary: #AA6C39;
    --primary-dark: #8a5730;
    --primary-light: rgba(170, 108, 57, 0.1);
    --dark: #1a1a1a;
    --light: #ffffff;
    --gray: #666666;
    --light-gray: #f5f5f5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--light-gray);
    color: var(--dark);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    background-color: rgba(0, 0, 0, 0.5);
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 2rem;
}

.login-box {
    background: var(--light);
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.login-header {
    background: var(--primary);
    color: white;
    padding: 1.5rem;
    text-align: center;
}

.login-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    opacity: 0.9;
    font-size: 0.9rem;
}

.login-body {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--gray);
    font-weight: 500;
}

.input-group {
    position: relative;
}

.input-group input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(170, 108, 57, 0.2);
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

.btn {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    text-align: center;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--gray);
    font-size: 0.9rem;
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.login-footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

@media (max-width: 576px) {
    .login-container {
        padding: 1rem;
    }

    .login-box {
        border-radius: 8px;
    }

    .login-header {
        padding: 1rem;
    }

    .login-body {
        padding: 1.5rem;
    }
}