body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #ffffff;
    margin: 0;
    padding: 0;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

.container, .login-container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 1200px;
    box-sizing: border-box;
}

.login-container {
    max-width: 450px;
    margin-top: 0;
}

h1, h2 {
    color: #BF1A24;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 15px;
    margin-top: 0;
    text-align: center;
    font-size: 2em;
}

form {
    margin-top: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="datetime-local"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23000000%22%20d%3D%22M287%2C197.9L159.3%2C69.2c-3.7-3.9-9.7-3.9-13.5%2C0L5.4%2C197.9c-3.7%2C3.9-3.7%2C10.1%2C0%2C14l13.5%2C14c3.7%2C3.9%2C9.7%2C3.9%2C13.5%2C0l111-118.3l111%2C118.3c3.7%2C3.9%2C9.7%2C3.9%2C13.5%2C0l13.5-14C290.7%2C208%2C290.7%2C201.8%2C287%2C197.9z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 12px top 50%;
    background-size: 12px auto;
    padding-right: 30px;
}

.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus,
.form-group input[type="datetime-local"]:focus,
.form-group textarea:focus {
    border-color: #BF1A24;
    outline: none;
}

.form-group select:focus {
    border-color: #BF1A24;
    outline: none;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

button {
    background-color: #BF1A24;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.2s ease;
    width: 100%;
    margin-top: 10px;
}

button:hover {
    background-color: #a0151e;
    transform: translateY(-2px);
}

.button-link {
    background-color: #BF1A24;
    color: white;
    padding: 8px 15px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
}

.button-link:hover {
    background-color: #a0151e;
    transform: translateY(-2px);
}

.btn-approve { background-color: #28a745; }
.btn-approve:hover { background-color: #218838; }
.btn-reject { background-color: #dc3545; }
.btn-reject:hover { background-color: #c82333; }
.btn-release { background-color: #ffc107; color: #333; }
.btn-release:hover { background-color: #e0a800; }

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
    margin-top: 20px;
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
    white-space: nowrap; 
    font-size: 0.9em; 
}

th {
    background-color: #f8f8f8;
    font-weight: 600;
    color: #555;
    border-bottom: 2px solid #e0e0e0;
}

tr:hover {
    background-color: #f5f5f5;
}

.error-message {
    color: #dc3545;
    margin-top: 15px;
    text-align: center;
    font-weight: 500;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.header h1 {
    margin: 0;
    border-bottom: none;
    padding-bottom: 0;
    text-align: left;
    font-size: 2em;
}

.logout-btn {
    background-color: #BF1A24;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-decoration: none;
    display: inline-block;
}

.logout-btn:hover {
    background-color: #a0151e;
    transform: translateY(-2px);
}

.dashboard-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 30px;
}

.dashboard-section {
    flex: 1;
    min-width: 300px;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

#fill-now-btn {
    padding: 10px 15px;
    font-size: 0.9em;
    width: auto;
    margin-top: 0;
    border-radius: 8px;
    background-color: #BF1A24;
}

#fill-now-btn:hover {
    background-color: #a0151e;
    transform: translateY(-2px);
}

.revoke-btn {
    padding: 5px 10px;
    font-size: 0.8em; 
    width: auto;
    margin-top: 0;
    border-radius: 5px;
    background-color: #BF1A24; 
    display: inline-block; 
    white-space: nowrap; 
    line-height: 1.2; 
}

.revoke-btn:hover {
    background-color: #c82333;
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .container, .login-container {
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    }

    h1, h2 {
        font-size: 1.5em;
        padding-bottom: 10px;
    }

    .form-group {
        margin-bottom: 15px;
    }

    .form-group input[type="text"],
    .form-group input[type="password"],
    .form-group input[type="datetime-local"],
    .form-group textarea {
        padding: 10px;
        border-radius: 6px;
    }

    button {
        padding: 10px 15px;
        font-size: 1em;
        border-radius: 6px;
    }

    .logout-btn {
        padding: 8px 15px;
        font-size: 0.9em;
        border-radius: 6px;
    }

    table {
        font-size: 0.9em;
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    th, td {
        padding: 10px;
        white-space: normal;
        font-size: 0.8em;
    }

    .dashboard-layout {
        flex-direction: column;
        gap: 20px;
    }

    .dashboard-section {
        padding: 20px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header h1 {
        margin-bottom: 10px;
    }
}