:root {
    --primary-color: #002147; /* Navy Blue */
    --accent-color: #28a745;  /* Subtle Green */
    --accent-hover: #218838;
    --text-color: #333;
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --border-color: #e9ecef;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.main-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo .accent {
    color: var(--accent-color);
}

nav a {
    margin-left: 1.5rem;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
}

nav a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 1rem;
    background-color: var(--white);
    margin-bottom: 2rem;
    border-radius: 8px;
}

.hero h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Job List */
.job-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.job-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.job-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
}

.job-info h3 a {
    text-decoration: none;
    color: var(--primary-color);
}

.company {
    color: #6c757d;
    margin: 0 0 0.5rem 0;
    font-weight: 500;
}

.meta {
    font-size: 0.9rem;
    color: #888;
}

.tag {
    background-color: #e9ecef;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.tag.full-time { background-color: #dbeafe; color: #1e40af; }
.tag.part-time { background-color: #fce7f3; color: #9d174d; }
.tag.remote { background-color: #d1fae5; color: #065f46; }

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: #00152e;
}

.btn-secondary {
    background-color: var(--white);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
}

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

/* Forms */
.form-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 1rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}
.form-row .form-group {
    flex: 1;
}

/* Job Detail */
.job-detail-container {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.job-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.meta-lg span {
    margin-right: 1.5rem;
    color: #555;
}

.apply-section {
    background-color: #f1f3f5;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

/* Footer */
.main-footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

/* Flash Messages */
.flash-messages {
    margin-top: 1rem;
}
.flash {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}
.flash-success { background-color: #d4edda; color: #155724; }
.flash-danger { background-color: #f8d7da; color: #721c24; }
.flash-info { background-color: #d1ecf1; color: #0c5460; }