:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --danger: #ef4444;
    --border: #e2e8f0;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.container {
    max-width: 900px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    margin: 0;
    color: var(--primary);
    font-size: 2.5rem;
}

header p {
    color: var(--text-muted);
    margin-top: 5px;
}

/* Card Styling */
.input-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border);
    margin-bottom: 20px;
}

.input-card h2 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.25rem;
}

/* Form Grid */
#log-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-muted);
}

input, select, textarea {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
}

textarea {
    grid-column: span 2;
}

button {
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    border-radius: 6px;
    padding: 12px;
}

#save-btn {
    grid-column: span 2;
    background-color: var(--primary);
    color: white;
    font-size: 1rem;
}

#save-btn:hover { background-color: var(--primary-hover); }

/* Actions Area */
.actions {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.secondary-btn { background: #e2e8f0; color: var(--text-main); }
.danger-btn { background: #fee2e2; color: var(--danger); }
.secondary-btn:hover { background: #cbd5e1; }
.danger-btn:hover { background: #fecaca; }

/* Table Styling */
.table-container {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.table-container h2 {
    padding: 20px;
    margin: 0;
    border-bottom: 1px solid var(--border);
    font-size: 1.25rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    background: #f1f5f9;
    padding: 12px 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

td {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
}

/* PDF Specific Styles */
.pdf-hidden {
    display: none;
}

.pdf-header {
    text-align: center;
    margin-bottom: 20px;
    border-bottom: 3px solid #333;
    padding-bottom: 10px;
}

#pdf-table {
    width: 100%;
    border: 1px solid #000;
}

#pdf-table th, #pdf-table td {
    border: 1px solid #000;
    padding: 8px;
}