/* General Admin Body & HTML Resets */
:root {
    --admin-bg-color: #f0f2f5; /* Very light gray for overall background */
    --admin-box-bg: #ffffff; /* White for content boxes */
    --admin-text-color: #333; /* Dark gray for main text */
    --admin-light-text-color: #666; /* Medium gray for secondary text */
    --admin-border-color: #e0e0e0; /* Light gray for borders */
    --admin-input-border: #ccc; /* Slightly darker gray for input borders */
    --admin-button-bg: #343a40; /* Dark charcoal for buttons */
    --admin-button-hover-bg: #23272b; /* Even darker on hover */
    --admin-accent-color: #007bff; /* A subtle blue for active states/links (optional, could be dark gray) */
    --admin-error-color: #dc3545; /* Red for error messages */
    --admin-shadow: rgba(0, 0, 0, 0.1); /* Light shadow */
}

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

body {
    font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif; /* Modern, clean font stack */
    line-height: 1.6;
    color: var(--admin-text-color);
    background-color: var(--admin-bg-color);
    display: flex; /* For centering content */
    justify-content: center;
    align-items: center;
    min-height: 100vh; /* Full viewport height */
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--admin-accent-color); /* Links can be a subtle blue or dark gray */
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--admin-button-bg); /* Darken on hover */
    text-decoration: underline;
}

/* Login Container */
.login-container {
    padding: 20px;
    width: 100%;
    max-width: 400px; /* Max width for the login box */
}

.login-box, .dashboard-container { /* Common styling for panels */
    background-color: var(--admin-box-bg);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 20px var(--admin-shadow);
    text-align: center;
}

.login-box h2, .dashboard-container h2 {
    font-size: 2em;
    margin-bottom: 25px;
    color: var(--admin-button-bg); /* Dark charcoal for headings */
}

.login-description {
    color: var(--admin-light-text-color);
    margin-bottom: 30px;
    font-size: 0.95em;
}

/* Form Styling */
.input-group {
    margin-bottom: 20px;
    text-align: left; /* Align labels to the left */
}

.input-group label {
    display: block; /* Make label appear on its own line */
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--admin-text-color);
    font-size: 0.9em;
}

.input-group input[type="text"],
.input-group input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--admin-input-border);
    border-radius: 5px;
    font-size: 1em;
    color: var(--admin-text-color);
    background-color: var(--admin-bg-color); /* Slight contrast from white box */
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-group input[type="text"]:focus,
.input-group input[type="password"]:focus {
    border-color: var(--admin-accent-color); /* Highlight on focus */
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1); /* Subtle shadow on focus */
    outline: none; /* Remove default outline */
}

/* Button Styling */
.login-btn, .dashboard-btn { /* Common button style */
    width: 100%;
    padding: 12px;
    background-color: var(--admin-button-bg);
    color: var(--admin-box-bg); /* White text on dark button */
    border: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    margin-top: 10px; /* Space above button */
}

.login-btn:hover, .dashboard-btn:hover {
    background-color: var(--admin-button-hover-bg);
    transform: translateY(-2px);
}

.login-btn:active, .dashboard-btn:active {
    transform: translateY(0); /* Reset on click */
}

/* Error Message Styling */
.error-message {
    color: var(--admin-error-color);
    background-color: rgba(220, 53, 69, 0.1); /* Light red background */
    border: 1px solid var(--admin-error-color);
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 0.9em;
    text-align: center;
}

.back-to-site {
    margin-top: 25px;
    font-size: 0.9em;
}

/* Admin Dashboard Specific Styles (will be used by admin_dashboard.php) */
.dashboard-container {
    max-width: 600px; /* Adjust as needed for dashboard content */
}

.dashboard-options {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px; /* Space between buttons */
}

.dashboard-option-btn {
    padding: 15px 20px;
    font-size: 1.2em;
    background-color: var(--admin-accent-color); /* Use accent for primary dashboard actions */
    color: var(--admin-box-bg);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-decoration: none; /* For link buttons */
    display: block; /* Make links behave like block buttons */
}

.dashboard-option-btn:hover {
    background-color: darken(var(--admin-accent-color), 10%); /* Darken accent on hover */
    transform: translateY(-2px);
}

/* Specific button color for "Hiring" (as requested for I-9 form) */
.hiring-btn {
    background-color: #5a6268; /* A darker gray, almost black */
    color: var(--admin-box-bg);
}

.hiring-btn:hover {
    background-color: #494f54; /* Darker on hover */
}

.logout-btn {
    background-color: #dc3545; /* Red for logout, common practice */
    color: var(--admin-box-bg);
}

.logout-btn:hover {
    background-color: #c82333;
}


/* Responsive Design for Admin */
@media (max-width: 600px) {
    .login-box, .dashboard-container {
        margin: 20px;
        padding: 25px;
    }

    .login-box h2, .dashboard-container h2 {
        font-size: 1.8em;
    }

    .input-group input {
        padding: 10px;
        font-size: 0.95em;
    }

    .login-btn, .dashboard-btn, .dashboard-option-btn {
        padding: 10px;
        font-size: 1em;
    }
}