:root {
    --color-primary: #4285F4;
    --color-secondary: #EA4335;
    --color-success: #34A853;
    --color-warning: #FBBC05;
    --color-danger: #EA4335;
    --color-light: #f8f9fa;
    --color-dark: #343a40;
}

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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--color-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

/* Logo Styles */
.logo {
    font-family: 'Century Gothic', sans-serif;
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 2rem;
}

.logo-pcm { color: var(--color-primary); }
.logo-vr { color: var(--color-secondary); }
.logo-files { color: var(--color-warning); }

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.3s;
}

.btn:hover {
    opacity: 0.9;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: white;
}

.btn-success {
    background-color: var(--color-success);
    color: white;
}

.btn-warning {
    background-color: var(--color-warning);
    color: white;
}

.btn-danger {
    background-color: var(--color-danger);
    color: white;
}

/* Login Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.error-message {
    color: var(--color-danger);
    margin: 1rem 0;
}

.success-message {
    color: var(--color-success);
    margin: 1rem 0;
}

.ip-notice {
    margin-top: 2rem;
    font-size: 0.875rem;
    color: #666;
}

/* Navigation Styles */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Search Styles */
.search-container {
    display: flex;
    justify-content: center;
    margin: 2.5rem auto 1.5rem;
    width: 100%;
}

.search-container form {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    max-width: 680px;
}

.search-container input[type="text"] {
    flex: 1;
    min-width: 0;
    padding: 0.85rem 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

.search-container button {
    padding: 0.85rem 1.35rem;
    font-size: 1rem;
}

/* Footer Styles */
footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .nav-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }

    .search-container form {
        flex-direction: column;
        max-width: 100%;
    }

    .search-container button {
        width: 100%;
    }
}